/*
         * ===============================================
         * CSS VARIABLES & RESET
         * ===============================================
         */
         :root {
            --color-text: #1F2937; /* gray-800 */
            --color-text-light: #4B5563; /* gray-600 */
            --color-text-lighter: #6B7280; /* gray-500 */
            --color-text-darkbg: #D1D5DB; /* gray-300 */
            --color-white: #FFFFFF;
            --color-background: #F8F9FA;
            --color-primary: #4F46E5; /* indigo-600 */
            --color-primary-hover: #4338CA; /* indigo-700 */
            --color-primary-light: #E0E7FF; /* indigo-100 */
            --color-dark: #111827; /* gray-900 */
            --font-main: 'Inter', sans-serif;
        }

        /* Basic Reset */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--color-background);
            color: var(--color-text);
            line-height: 1.6;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
        }
        
        section {
            padding: 5rem 1.5rem;
        }
        
        .container {
            width: 100%;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container { max-width: 640px; }
        }
        @media (min-width: 768px) {
            .container { max-width: 768px; }
        }
        @media (min-width: 1024px) {
            .container { max-width: 1024px; }
        }
        @media (min-width: 1280px) {
            .container { max-width: 1280px; }
        }

        /*
         * ===============================================
         * GENERAL UTILITIES & SHARED STYLES
         * ===============================================
         */
        .text-center { text-align: center; }
        .mx-auto { margin-left: auto; margin-right: auto; }
        
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .section-header h2 {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--color-dark);
        }

        .section-header p {
            margin-top: 0.5rem;
            color: var(--color-text-light);
        }

        /* Grid Layout */
        .grid {
            display: grid;
            gap: 2rem;
        }

        @media (min-width: 768px) {
            .grid-cols-md-2 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (min-width: 1024px) {
            .grid-cols-lg-3 { grid-template-columns: repeat(3, 1fr); }
            .grid-cols-lg-4 { grid-template-columns: repeat(4, 1fr); }
        }


        /*
         * ===============================================
         * VERTICAL NAVIGATION
         * ===============================================
         */
        .side-nav {
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            position: fixed;
            top: 0;
            right: 0;
            height: 100%;
            width: 4rem;
            z-index: 50;
        }
        
        @media (min-width: 768px) {
            .side-nav { display: flex; }
        }

        .nav-dot {
            display: block;
            width: 0.75rem;
            height: 0.75rem;
            background-color: #9CA3AF;
            border-radius: 9999px;
            margin-bottom: 1rem;
            transition: all 0.3s ease-in-out;
        }
        .nav-dot:last-child { margin-bottom: 0; }
        .nav-dot:hover { background-color: var(--color-primary); }

        .nav-dot.active {
            transform: scale(1.5);
            background-color: var(--color-primary);
        }

        /*
         * ===============================================
         * FADE ANIMATION
         * ===============================================
         */
        .paginated-item {
            animation: fadeIn 0.5s ease-in-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /*
         * ===============================================
         * HERO SECTION
         * ===============================================
         */
        #hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 3rem;
            padding-bottom: 3rem;
            background: linear-gradient(135deg, #E0E7FF 0%, #FFFFFF 100%);
        }

        #hero h1 {
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-dark);
        }

        #hero p {
            margin-top: 1rem;
            font-size: 1.125rem;
            color: var(--color-text-light);
            max-width: 42rem;
            margin-left: auto;
            margin-right: auto;
        }

        #hero .cta-button {
            margin-top: 2rem;
            display: inline-block;
            background-color: var(--color-primary);
            color: var(--color-white);
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: 9999px;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
            transition: background-color 0.2s, transform 0.2s;
        }

        #hero .cta-button:hover {
            background-color: var(--color-primary-hover);
            transform: scale(1.05);
        }
        
        @media (min-width: 768px) {
            #hero h1 { font-size: 3.75rem; }
            #hero p { font-size: 1.25rem; }
        }
        
        /*
         * ===============================================
         * FEATURES SECTION (#features)
         * ===============================================
         */
        #features { background-color: var(--color-white); }
        
        .feature-card {
            text-align: center;
            padding: 1.5rem;
            background-color: #F9FAFB;
            border-radius: 0.5rem;
            box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
            transition: box-shadow 0.3s ease;
        }
        .feature-card:hover {
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
        }

        .feature-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 4rem; width: 4rem;
            margin: 0 auto 1rem;
            background-color: var(--color-primary-light);
            color: var(--color-primary);
            border-radius: 50%;
        }
        
        .feature-icon svg { width: 2rem; height: 2rem; }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .feature-card p { color: var(--color-text-light); }
        
        /*
         * ===============================================
         * CSS-ONLY PAGINATION
         * ===============================================
         */
        .css-slider {
            position: relative;
        }
        /* Hide the radio buttons that control the state */
        .css-slider > input {
            display: none;
        }
        /* Base styles for slides */
        .css-slider .paginated-item {
            display: none;
            width: 100%;
        }
        
        /* Base styles for slider navigation buttons (which are labels) */
        .slider-nav {
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            transform: translateY(-50%);
            display: flex;
            justify-content: space-between;
            pointer-events: none; /* Make container non-interactive */
        }
        
        .slider-nav label {
            pointer-events: auto; /* Make labels interactive */
            background-color: var(--color-white);
            border: none;
            border-radius: 50%;
            cursor: pointer;
            transition: background-color 0.2s;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
        }
        .slider-nav label:hover { background-color: #F3F4F6; }
        
        /* Show the active slide using the :checked pseudo-class and sibling combinator */
        #ss1:checked ~ .slider-content #ss-item-1,
        #ss2:checked ~ .slider-content #ss-item-2,
        #ss3:checked ~ .slider-content #ss-item-3 { display: flex; } /* Flex for screenshots */

        #t1:checked ~ .slider-content #t-item-1,
        #t2:checked ~ .slider-content #t-item-2,
        #t3:checked ~ .slider-content #t-item-3 { display: block; } /* Block for testimonials */
        
        /* Show the correct navigation labels for the active slide */
        #ss1:checked ~ .slider-nav .nav-ss1,
        #ss2:checked ~ .slider-nav .nav-ss2,
        #ss3:checked ~ .slider-nav .nav-ss3 { display: flex; justify-content: space-between; width:100%;}
        
        #t1:checked ~ .slider-nav .nav-t1,
        #t2:checked ~ .slider-nav .nav-t2,
        #t3:checked ~ .slider-nav .nav-t3 { display: flex; justify-content: space-between; width:100%;}
        
        /* Hide all nav groups by default */
        .slider-nav > div {
            display: none;
        }

        /*
         * ===============================================
         * SCREENSHOTS SECTION (#screenshots)
         * ===============================================
         */
        .screenshots-slider-wrapper {
            max-width: 24rem;
        }
        
        .screenshots-slider-wrapper img {
            border-radius: 5rem;
            box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
            margin: 0 auto;
        }
        
        .screenshots-slider-wrapper .slider-nav label {
             padding: 0.75rem;
        }

        .screenshots-slider-wrapper .slider-nav svg {
            width: 1.5rem; height: 1.5rem;
            color: var(--color-text-light);
        }

        @media (min-width: 768px) {
            .screenshots-slider-wrapper { max-width: 28rem; }
             .screenshots-slider-wrapper .slider-nav { left: -1.5rem; right: -1.5rem; }
        }
        @media (min-width: 1024px) {
            .screenshots-slider-wrapper { max-width: 32rem; }
        }
        
        /*
         * ===============================================
         * TEAM SECTION (#team)
         * ===============================================
         */
        #team { background-color: var(--color-white); }
        #team .grid { gap: 3rem; }

        .team-member img {
            width: 8rem; height: 8rem;
            border-radius: 50%;
            margin: 0 auto 1rem;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
        }
        
        .team-member h3 { font-size: 1.25rem; font-weight: 600; }
        .team-member .role { color: var(--color-primary); }
        .team-member .bio { color: var(--color-text-lighter); margin-top: 0.5rem; }

        /*
         * ===============================================
         * TESTIMONIALS SECTION (#testimonials)
         * ===============================================
         */
        .testimonial-slider-wrapper {
            max-width: 48rem;
        }
        
        .testimonial-slider-wrapper blockquote {
            font-size: 1.25rem;
            font-style: italic;
            color: var(--color-text-light);
        }

        .testimonial-slider-wrapper .author {
            margin-top: 1rem;
            font-weight: 600;
            color: var(--color-dark);
        }

        .testimonial-slider-wrapper .slider-nav label { padding: 0.5rem; }
        .testimonial-slider-wrapper .slider-nav svg { width: 1.25rem; height: 1.25rem; color: var(--color-text-light); }

        @media (min-width: 768px) {
            .testimonial-slider-wrapper .slider-nav { left: -3rem; right: -3rem; }
        }

        /*
         * ===============================================
         * FOOTER SECTION
         * ===============================================
         */
        #footer {
            background-color: var(--color-dark);
            color: var(--color-white);
            padding-top: 3rem; padding-bottom: 3rem;
        }

        .footer-content {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            align-items: center;
        }

        .footer-brand {
            text-align: center;
            margin-bottom: 1.5rem;
        }

        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 700;
        }
        
        .footer-brand p { color: var(--color-text-darkbg); }

        .social-links {
            display: flex;
        }
        .social-links a {
            margin: 0 0.75rem;
            color: var(--color-text-darkbg);
            transition: color 0.2s;
        }
        .social-links a:hover { color: var(--color-white); }
        .social-links svg { width: 1.75rem; height: 1.75rem; }
        
        .footer-copyright {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid #374151;
            text-align: center;
            color: var(--color-text-lighter);
            font-size: 0.875rem;
        }
        
        @media (min-width: 768px) {
            .footer-content {
                flex-direction: row;
            }
            .footer-brand {
                text-align: left;
                margin-bottom: 0;
            }
        }