:root {
            /* Light mode colors */
            --color-primary: #825415;
            --color-primary-hover: #A0561A;
            --color-background: #F2F2F2;
            --color-light: #FFFFFF;
            --color-text: #1A1A1A;
            --color-muted: #000000;
            --color-heading: #111111;
            --color-accent: #FFD580;
            /* for highlights */
            --color-section-alt: #FBFBFB;
            /* alternating section background */

            /* Dark mode colors */
            --dark-background: #1E1E1E;
            --dark-light: #2A2A2A;
            --dark-text: #E0E0E0;
            --dark-muted: #AAAAAA;

            --max-width: 1200px;
            --transition-speed: 0.3s;
        }

        /* Base reset */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            transition: background-color var(--transition-speed),
                color var(--transition-speed),
                transform var(--transition-speed),
                box-shadow var(--transition-speed);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            background-color: var(--color-background);
            color: var(--color-text);
            overflow-x: hidden;
        }

        /* Dark mode toggle */
        body.dark {
            background-color: var(--dark-background);
            color: var(--dark-text);
        }

        /* --------------------------------------
       Utility & Global Classes
    -------------------------------------- */
        .container {
            width: 90%;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        h1,
        h2,
        h3,
        h4 {
            margin-bottom: 0.5rem;
            color: var(--color-heading);
        }

        body.dark h1,
        body.dark h2,
        body.dark h3,
        body.dark h4 {
            color: var(--dark-text);
        }

        p {
            margin-bottom: 1rem;
            color: var(--color-muted);
        }

        body.dark p {
            color: var(--dark-muted);
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        a:hover {
            color: var(--color-primary);
        }

        button {
            cursor: pointer;
            border: none;
            outline: none;
            transition: background-color var(--transition-speed),
                color var(--transition-speed),
                transform var(--transition-speed);
            font-family: inherit;
        }

        /* --------------------------------------
       Buttons
    -------------------------------------- */
        .btn-primary {
            background-color: var(--color-primary);
            color: var(--color-light);
            padding: 0.75rem 1.5rem;
            font-size: 1rem;
            border-radius: 4px;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
            transition: transform var(--transition-speed), box-shadow var(--transition-speed);
        }

        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        /* --------------------------------------
       Header / Navbar
    -------------------------------------- */
        header {
            background-color: var(--color-light);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        body.dark header {
            background-color: var(--dark-light);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--color-primary);
        }

        body.dark .logo {
            color: var(--dark-text);
        }

        nav ul {
            list-style: none;
            display: flex;
            gap: 1.5rem;
            align-items: center;
        }

        nav li a {
            font-weight: 500;
            color: var(--color-text);
        }

        body.dark nav li a {
            color: var(--dark-text);
        }

        nav li a:hover {
            color: var(--color-primary);
        }

        body.dark nav li a:hover {
            color: var(--color-light);
        }

        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--color-text);
        }

        body.dark .mobile-toggle {
            color: var(--dark-text);
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }

            nav ul {
                display: none;
                position: absolute;
                top: 100%;
                right: 0;
                bottom: 0;
                width: 220px;
                background-color: var(--color-light);
                flex-direction: column;
                transform: translateX(100%);
                visibility: hidden;
                z-index: 200;
                overflow-y: auto;
                -webkit-overflow-scrolling: touch;
            }

            body.dark nav ul {
                background-color: var(--dark-light);
            }

            nav ul.open {
                display: flex;
                transform: translateX(0);
                visibility: visible;
            }

            nav li {
                padding: 1rem;
                border-bottom: 1px solid #e0e0e0;
            }

            body.dark nav li {
                border-bottom-color: #333333;
            }

            nav {
                width: 100%;
            }
        }

        /* --------------------------------------
       Page Title Section
    -------------------------------------- */
        .page-title {
            background-color: var(--color-primary);
            color: var(--color-light);
            padding: 4rem 0;
            text-align: center;
        }

        .page-title h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .page-title p {
            font-size: 1.125rem;
            max-width: 600px;
            margin: 0 auto;
            opacity: 0.9;
        }

        /* --------------------------------------
       How-It-Works Sections
    -------------------------------------- */
        .how-section {
            padding: 4rem 0;
        }

        .how-section:nth-child(even) {
            background-color: var(--color-section-alt);
        }

        .how-container {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .how-container.reverse {
            flex-direction: row-reverse;
        }

        .how-text {
            flex: 1;
        }

        .how-text h2 {
            font-size: 1.75rem;
            margin-bottom: 1rem;
        }

        .how-text p {
            font-size: 1rem;
            color: var(--color-text);
            margin-bottom: 1.5rem;
        }

        .how-text .step-badge {
            display: inline-block;
            background-color: var(--color-accent);
            color: var(--color-text);
            font-weight: bold;
            padding: 0.25rem 0.75rem;
            border-radius: 4px;
            margin-bottom: 0.75rem;
        }

        .how-image {
            flex: 1;
            text-align: center;
        }

        .how-image img {
            width: 100%;
            max-width: 500px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            object-fit: cover;
        }

        /* Responsive: stack on mobile */
        @media (max-width: 768px) {
            .how-container {
                flex-direction: column;
            }

            .how-text,
            .how-image {
                width: 100%;
                max-width: 100%;
            }

            .how-image img {
                max-width: 100%;
            }
        }

        /* --------------------------------------
       Footer
    -------------------------------------- */
        footer {
            background-color: var(--color-primary);
            color: var(--color-light);
            padding: 3rem 0 1rem;
            margin-top: 4rem;
        }

        body.dark footer {
            background-color: var(--dark-light);
            color: var(--dark-text);
        }

        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }

        .footer-about,
        .footer-links,
        .footer-contact {
            flex: 1 1 200px;
        }

        .footer-about img.footer-logo {
            display: block;
            margin-top: 1rem;
            max-width: 120px;
            height: auto;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links ul li {
            margin-bottom: 0.5rem;
        }

        .footer-links ul li a {
            color: var(--color-light);
            font-size: 0.9rem;
            transition: color var(--transition-speed);
        }

        body.dark .footer-links ul li a {
            color: var(--dark-text);
        }

        .footer-links ul li a:hover {
            color: var(--color-light);
            opacity: 0.8;
        }

        .footer-contact h3 {
            margin-bottom: 0.5rem;
        }

        .footer-contact p {
            margin-bottom: 0.5rem;
        }

        .social-icons a {
            margin-right: 0.5rem;
            font-size: 1.2rem;
            color: var(--color-light);
            transition: color var(--transition-speed);
        }

        body.dark .social-icons a {
            color: var(--dark-text);
        }

        .social-icons a:hover {
            opacity: 0.8;
        }

        .download-buttons img {
            max-width: 120px;
            margin-right: 0.5rem;
            margin-top: 0.5rem;
        }