/* global.css - NPTech Brand Theme */

:root {
    /* NPTech Brand Colors (from Style Guide) */
    --npt-blue: #0663AF;       /* Primary Action Color (was Green) */
    --npt-dark-blue: #044b85;  /* Hover State (Darker version of Blue) */
    --npt-lt-blue: #64ADD9;    /* Accent/Highlight Color */
    
    /* Neutrals */
    --npt-black: #141414;      /* Headings & Text */
    --npt-gray: #4D4D4F;       /* Secondary Text */
    --npt-white: #F2F2F2;      /* Backgrounds (per Style Guide) */
    --npt-pure-white: #FFFFFF; /* Card Backgrounds */
    --npt-border: #e2e8f0;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Spacing */
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
}

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

body {
    font-family: var(--font-body);
    background-color: var(white);
    color: var(--npt-black);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--npt-black);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* --- Global Alerts --- */
.global-alert-banner {
    width: 100%;
    padding: 12px 20px;
    text-align: center;
    color: white;
    font-weight: 600;
    position: relative;
    z-index: 2000; /* Ensure it sits above the navbar */
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    animation: slideDownAlert 0.5s ease-out;
}

@keyframes slideDownAlert {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.alert-info { background-color: var(--npt-blue); } 
.alert-warning { background-color: #f59e0b; color: white; } /* Amber */
.alert-danger { background-color: #dc2626; color: white; } /* Red */

.alert-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.8);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0 5px;
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.alert-close:hover {
    color: white;
}

/* --- Navigation --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.logo-container {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 50px; /* Increased slightly for parent brand visibility */
    width: auto;
    display: block;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links li {
    position: relative; 
    padding: 10px 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--npt-black);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    font-family: var(--font-heading);
    display: block; 
}

.nav-links a:hover, .nav-links a.active {
    color: var(--npt-blue); /* Updated to Blue */
}

/* --- Dropdown Menu Styles --- */
.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--npt-pure-white);
    min-width: 180px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border-radius: 8px;
    padding: 10px 0;
    z-index: 1001;
    border: 1px solid rgba(0,0,0,0.05);
    padding-top: 15px; 
    clip-path: inset(0 -20px -20px -20px);
}

.dropdown-menu::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 15px; background: transparent;
}

.dropdown-toggle::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.7em;
    margin-left: 6px;
    vertical-align: middle;
    transition: transform 0.2s;
    display: inline-block;
}

.nav-links li:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.nav-links li:hover .dropdown-menu {
    display: block;
    animation: fadeInDropdown 0.2s ease-out forwards;
}

@keyframes fadeInDropdown {
    from { opacity: 0; transform: translateX(-50%) translateY(10px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.dropdown-menu li { width: 100%; padding: 0; }

.dropdown-menu a {
    padding: 12px 20px;
    white-space: nowrap;
    color: var(--npt-black);
    display: flex;
    align-items: center;
}

.dropdown-menu a:hover {
    background-color: #f0f7ff; /* Light Blue BG */
    color: var(--npt-blue);
    padding-left: 25px;
}

.dropdown-menu i {
    width: 20px;
    text-align: center;
    color: #94a3b8;
    transition: color 0.2s;
}

.dropdown-menu a:hover i { color: var(--npt-blue); }

/* Special styling for Pay Bill button */
.btn-nav-highlight {
    background-color: var(--npt-blue);
    color: white !important;
    padding: 8px 22px;
    border-radius: 50px;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 10px rgba(6, 99, 175, 0.2); /* Blue Shadow */
}

.btn-nav-highlight:hover {
    background-color: var(--npt-dark-blue);
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(6, 99, 175, 0.3);
}

/* --- Mobile Menu --- */
.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--npt-black);
}

/* --- Utility Classes --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) 1.5rem;
}

.hidden { display: none !important; }

.text-accent { color: var(--npt-lt-blue); } /* Changed to Light Blue */

/* --- Footer --- */
footer {
    background-color: var(--npt-black);
    color: #94a3b8;
    text-align: center;
    padding: 3rem 1rem;
    margin-top: auto;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* --- Animations --- */
.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
}

/* Mobile Media Query */
@media (max-width: 900px) {
    .nav-links { 
        display: none; 
        flex-direction: column;
        position: absolute;
        top: 100%; left: 0; width: 100%;
        background-color: white;
        padding: 1.5rem 5%;
        gap: 1.5rem;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    } 

    .nav-links.active {
        display: flex;
        animation: slideDown 0.3s ease-out forwards;
    }
    
    .nav-links li { width: 100%; padding: 0; }
    
    .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: 1.5rem;
        display: block;
        background: #f8fafc;
        margin-top: 0.5rem;
    }
    
    .dropdown-toggle::after { display: none; }
    .mobile-menu-btn { display: block; }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}