/* --- CSS Reset and Variables --- */
* {
    box-sizing: border-box;
    font-family: Roboto, Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
}


:root {
    --page-width: 1280px;
    --navbar-height: 72px;
    
    --black: #1b1b1b; /* **Near-black (Main Background Color)** */
    --light: #FFFFFF; /* White */
    --accent: #8B0000; /* Bright Red for Links and Buttons */
}


/* --- Default Page Body Styling --- */
body {
    background-color: var(--black); /* Default: Black Background */
    color: var(--light); /* Default: White Text */
    min-height: 100vh; /* Ensures body covers full viewport height */
}


/* --- Typography and Links --- */
a {
    color: var(--accent); /* Bright Red links */
    cursor: pointer;
    text-decoration: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: Montserrat, Roboto, Arial, Helvetica, sans-serif;
}

h2 {
    font-size: 56px;
    line-height: 1.2em;
}

h3 {
    font-size: 36px;
    margin-bottom: 20px;
}

h4 {
    font-size: 24px;
    margin-bottom: 15px;
}

p {
    line-height: 1.5;
    margin-bottom: 20px;
}

/* --- Responsive Heading --- */
@media screen and (max-width: 768px) {
    h2 {
        font-size: 30px;
    }
}

/* --- Navigation Link Styling --- */
.nav-link {
    background: #00000000;
    border-radius: 1.4em;
    color: var(--light);
    cursor: pointer;
    margin: 0 4px;
    text-decoration: none;
    transition-duration: .2s;
    transition-property: background, color;
}

.nav-link:hover {
    background: var(--accent) !important; /* Red hover background */
    color: var(--light); /* White text on hover for contrast */
}

.nav-span {
    display: block;
    font-size: .9em;
    font-weight: 500;
    margin: unset;
    padding: .7em .9em;
}

/* --- Scrollbar Styling --- */
::-webkit-scrollbar {
    width: 1em;
}

::-webkit-scrollbar-track {
    background-color: var(--black); /* Black track */
}

::-webkit-scrollbar-thumb {
    background-clip: content-box;
    background-color: var(--accent); /* Bright Red Scrollbar Thumb */
    border: 4px solid transparent;
    border-radius: 100vw;
}

/* --- Custom Styles for Structure and Appearance --- */

/* Utility container for max-width and centering */
.container {
    max-width: var(--page-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header/Navbar Styling */
.navbar {
    background-color: var(--black); /* **Black background** */
    height: var(--navbar-height);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--accent); /* Bright Red logo for prominence */
    font-family: Montserrat, sans-serif;
}

.navbar nav {
    display: flex;
    gap: 5px;
}

/* Hero Section Styling */
.hero-section {
    background-color: var(--black); /* **Black background** */
    color: var(--light);
    padding: 100px 0;
    min-height: 50vh;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Content Section Styling */
.content-section {
    background-color: var(--black);
    color: var(--light);
    padding: 60px 0;
}

/* Download Button Styling */
.btn-download {
    display: inline-block;
    padding: 15px 40px;
    background-color: var(--accent); /* **Bright Red background** */
    color: var(--light);
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.2em;
    margin-top: 30px;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.4); 
    transition: background-color 0.2s, transform 0.2s;
}

.btn-download:hover {
    background-color: var(--black); /* **Black on hover** */
    color: var(--accent); /* **Red text on black hover** */
    transform: translateY(-2px);
}

/* Footer Styling */
footer {
    background-color: var(--black); /* **Black footer** */
    color: #999;
    padding: 20px 0;
    text-align: center;
}

/* --- Fixed Corner Icon Styling --- */
.fixed-corner-icon {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--accent); /* Bright Red Background */
    color: var(--light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2em;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    z-index: 999;
    transition: background-color 0.2s;
}

.fixed-corner-icon:hover {
    background-color: var(--black); /* Black on hover */
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.6);
}
.logox {
    height: 30px;
    vertical-align: top;
}

.redh {
    color:#ffffff;
}