:root {
    /* Color Palette - Light Theme */
    --color-bg-dark: #eff6ff;
    /* Lighter Blue Background */
    --color-bg-header: #dbeafe;
    /* Header/Footer Background (Old Body BG) */
    --color-bg-light: #ffffff;
    /* White for cards */
    --color-text-main: #102a43;
    /* Dark Blue for text */
    --color-text-highlight: #0056b3;
    /* Medium Blue for highlights/links */
    --color-accent: #006400;
    /* Dark Green for ticks/dots */
    --color-accent-light: #008000;
    /* Slightly lighter green for hover */
    --color-border: #cbd5e1;
    /* Light grey border */

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

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

body {
    background-color: var(--color-bg-dark);
    color: var(--color-text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-text-highlight);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-accent-light);
}

/* Header Styles */
.main-header {
    background-color: var(--color-bg-header);
    border-bottom: 1px solid var(--color-border);
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-row-top {
    display: flex;
    justify-content: flex-start;
    /* Left align */
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    /* Allow wrapping for mobile contacts */
    gap: 1rem;
}

.app-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--color-text-highlight);
    margin: 0;
    margin-right: 10px;
    /* Space between title and menu */
    text-align: left;
}

/* Override margin-right: auto if we want everything left aligned, 
   but usually burger is right aligned on mobile. */


.home-btn {
    font-size: 1.5rem;
    line-height: 1;
}



.header-contacts {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--color-text-main);
    width: 100%;
    /* Full width on mobile */
    justify-content: center;
    /* Center on mobile */
    margin-top: 0.5rem;
    order: 10;
    /* Force to bottom on mobile */
}

.header-contacts span,
.contact-link {
    white-space: nowrap;
}

.contact-link {
    color: inherit;
}

.desktop-nav {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.desktop-nav a {
    font-weight: 500;
}

.header-row-bottom {
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    color: var(--color-text-main);
}

/* Mobile Menu */


/* Container */
.container {
    max-width: 100%;
    /* Allow full width or keep max-width if preferred, but usually left align implies using available space or fixed width on left */
    width: 100%;
    margin: 2rem 0;
    /* Remove auto margin */
    padding: 0 1rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    /* Align left */
}

/* Content Card - Flat Design (No Box) */
/* Content Card - Flat Design (No Box) */
.content-card {
    background-color: transparent;
    padding: 1.5rem 0;
    border: none;
    width: 100%;
}

.main-content-wrapper {
    display: flex;
    flex-direction: column;
    /* Mobile first: column */
    gap: 2rem;
}

.main-text {
    flex: 1;
}

.side-box {
    background-color: var(--color-bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    /* 3D Effect */
    box-shadow: 5px 5px 0px rgba(0, 0, 0, 0.2);
    width: 100%;
}

h1,
h2,
h3 {
    color: var(--color-text-highlight);
    margin-bottom: 1rem;
}

/* List Styles */
ul.feature-list {
    list-style: none;
}

ul.feature-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

ul.feature-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* Status Dots */
.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-accent);
    margin-right: 0.5rem;
}

.btn {
    display: inline-block;
    background-color: transparent;
    border: 1px solid var(--color-text-highlight);
    color: var(--color-text-highlight);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: rgba(0, 86, 179, 0.1);
}

/* Footer Styles */
.main-footer {
    background-color: var(--color-bg-header);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
    /* Push to bottom */
    padding: 1rem 0;
}

.footer-row {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 0.5rem;
    flex-wrap: wrap;
}

.footer-row a {
    color: var(--color-text-main);
    font-size: 0.9rem;
}

.footer-row a:hover {
    color: var(--color-text-highlight);
}

.footer-contacts {
    font-size: 0.85rem;
    color: var(--color-text-main);
    opacity: 0.8;
}

/* Desktop Responsive Styles */
@media (min-width: 768px) {


    .desktop-nav {
        gap: 1.5rem;
    }

    .header-contacts {
        width: auto;
        margin-top: 0;
        order: initial;
        margin-left: 2rem;
        /* Spacing from nav */
    }



    .container {
        padding: 0 2rem;
        align-items: flex-start;
        /* Align left on desktop if preferred, or keep center */
    }

    .content-card {
        padding: 2.5rem 0;
    }

    .main-content-wrapper {
        flex-direction: row;
        /* Desktop: row */
        align-items: flex-start;
    }

    .side-box {
        width: 300px;
        /* Fixed width on desktop */
        flex-shrink: 0;
    }
}