:root {
            --color-white: #ffffff;
            --color-gray: #F4F4F6;
            --color-dark: #2B2D42;
            --color-accent: #D4FF26;

            --font-heading: 'Caveat Brush', cursive;
            --font-body: 'Open Sans', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            overflow-y: scroll;
        }

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

        body {
            font-family: var(--font-body);
            color: var(--color-dark);
            background-color: var(--color-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;

            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        main {
            flex: 1;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-heading);
            font-weight: 400;
            color: var(--color-dark);
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        
        .marker-highlight {
            position: relative;
            display: inline-block;
            white-space: nowrap;
            z-index: 1;
            line-height: 1;
        }

        .marker-highlight::before {
            content: '';
            position: absolute;
            top: -8%;
            left: -4%;
            width: 108%;
            height: 120%;

            background-color: var(--color-accent);
            z-index: -1;

            
            filter: drop-shadow(4px 4px 0px var(--color-dark));

            -webkit-mask-size: 100% 100%;
            mask-size: 100% 100%;
            -webkit-mask-repeat: no-repeat;
            mask-repeat: no-repeat;
            -webkit-mask-position: center;
            mask-position: center;
            transition: transform 0.2s ease;
        }

        
        .marker-highlight.v1::before {
            -webkit-mask-image: url("data:image/svg+xml,%3Csvg preserveAspectRatio='none' viewBox='0 0 200 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M 6 18 l 4 -5 l 8 2 l 12 -4 l 20 3 l 35 -2 l 45 4 l 30 -3 l 25 5 l 8 -4 l 5 6 l -2 10 l 3 12 l -4 8 l 2 7 l -6 4 l -15 -3 l -30 5 l -40 -4 l -35 5 l -25 -3 l -20 4 l -12 -5 l -6 5 l -3 -8 l 4 -12 l -5 -8 l 3 -10 z' fill='black'/%3E%3Cpath d='M 2 25 l 3 -2 v 4 z M 195 20 l 2 1 v 4 z' fill='black'/%3E%3C/svg%3E");
            mask-image: url("data:image/svg+xml,%3Csvg preserveAspectRatio='none' viewBox='0 0 200 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M 6 18 l 4 -5 l 8 2 l 12 -4 l 20 3 l 35 -2 l 45 4 l 30 -3 l 25 5 l 8 -4 l 5 6 l -2 10 l 3 12 l -4 8 l 2 7 l -6 4 l -15 -3 l -30 5 l -40 -4 l -35 5 l -25 -3 l -20 4 l -12 -5 l -6 5 l -3 -8 l 4 -12 l -5 -8 l 3 -10 z' fill='black'/%3E%3Cpath d='M 2 25 l 3 -2 v 4 z M 195 20 l 2 1 v 4 z' fill='black'/%3E%3C/svg%3E");
            transform: rotate(-1.5deg);
        }

        
        .marker-highlight.v2::before {
            -webkit-mask-image: url("data:image/svg+xml,%3Csvg preserveAspectRatio='none' viewBox='0 0 200 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M 8 14 l 6 -2 l 10 5 l 15 -3 l 25 4 l 40 -4 l 35 5 l 25 -3 l 15 4 l 10 -2 l 4 7 l -3 11 l 4 9 l -2 8 l 3 6 l -8 3 l -20 -4 l -30 6 l -40 -3 l -35 6 l -25 -4 l -15 5 l -8 -3 l -4 7 l -5 -9 l 3 -11 l -4 -8 l 2 -11 z' fill='black'/%3E%3Cpath d='M 4 18 l 2 2 h -3 z M 196 45 l -2 3 h 4 z' fill='black'/%3E%3C/svg%3E");
            mask-image: url("data:image/svg+xml,%3Csvg preserveAspectRatio='none' viewBox='0 0 200 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M 8 14 l 6 -2 l 10 5 l 15 -3 l 25 4 l 40 -4 l 35 5 l 25 -3 l 15 4 l 10 -2 l 4 7 l -3 11 l 4 9 l -2 8 l 3 6 l -8 3 l -20 -4 l -30 6 l -40 -3 l -35 6 l -25 -4 l -15 5 l -8 -3 l -4 7 l -5 -9 l 3 -11 l -4 -8 l 2 -11 z' fill='black'/%3E%3Cpath d='M 4 18 l 2 2 h -3 z M 196 45 l -2 3 h 4 z' fill='black'/%3E%3C/svg%3E");
            transform: rotate(1deg);
        }

        
        .marker-highlight.v3::before {
            -webkit-mask-image: url("data:image/svg+xml,%3Csvg preserveAspectRatio='none' viewBox='0 0 200 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M 4 22 l 8 -7 l 12 3 l 20 -5 l 30 4 l 45 -5 l 35 4 l 20 -3 l 15 5 l 6 -2 l 2 8 l -3 10 l 4 12 l -2 8 l -7 3 l -15 -4 l -25 5 l -40 -4 l -35 5 l -30 -3 l -20 6 l -10 -4 l -6 6 l -3 -10 l 5 -12 l -4 -10 l 2 -6 z' fill='black'/%3E%3Cpath d='M 194 15 l 3 -2 v 5 z M 8 50 l -3 2 v -4 z' fill='black'/%3E%3C/svg%3E");
            mask-image: url("data:image/svg+xml,%3Csvg preserveAspectRatio='none' viewBox='0 0 200 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M 4 22 l 8 -7 l 12 3 l 20 -5 l 30 4 l 45 -5 l 35 4 l 20 -3 l 15 5 l 6 -2 l 2 8 l -3 10 l 4 12 l -2 8 l -7 3 l -15 -4 l -25 5 l -40 -4 l -35 5 l -30 -3 l -20 6 l -10 -4 l -6 6 l -3 -10 l 5 -12 l -4 -10 l 2 -6 z' fill='black'/%3E%3Cpath d='M 194 15 l 3 -2 v 5 z M 8 50 l -3 2 v -4 z' fill='black'/%3E%3C/svg%3E");
            transform: rotate(-0.5deg) scaleY(1.05);
        }

        

        
        .top-bg-wrapper {
            background-color: var(--color-white);
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Ccircle cx='2' cy='2' r='1.5' fill='rgba(43,45,66,0.06)'/%3E%3C/svg%3E");
            background-repeat: repeat;
            position: relative;
            padding-bottom: 50px;
            z-index: 1;
        }

        
        .top-bg-wrapper::after {
            content: '';
            position: absolute;
            top: 150px;
            left: 0;
            right: 0;
            height: 800px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 800' preserveAspectRatio='xMidYMid slice'%3E%3Cdefs%3E%3ClinearGradient id='grad' x1='0' y1='0' x2='1' y2='0'%3E%3Cstop offset='0%25' stop-color='white' stop-opacity='0'/%3E%3Cstop offset='30%25' stop-color='white' stop-opacity='0'/%3E%3Cstop offset='70%25' stop-color='white' stop-opacity='1'/%3E%3Cstop offset='100%25' stop-color='white' stop-opacity='1'/%3E%3C/linearGradient%3E%3Cmask id='m'%3E%3Crect width='100%25' height='100%25' fill='url(%23grad)'/%3E%3C/mask%3E%3C/defs%3E%3Cg mask='url(%23m)' stroke='%232B2D42' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M500 100 v10 m-5-5 h10 M600 300 v10 m-5-5 h10 M700 600 v10 m-5-5 h10 M900 150 v10 m-5-5 h10 M850 450 v10 m-5-5 h10 M950 700 v10 m-5-5 h10 M750 750 v10 m-5-5 h10 M450 500 v10 m-5-5 h10 M1100 250 v10 m-5-5 h10 M1050 600 v10 m-5-5 h10 M1150 400 v10 m-5-5 h10'/%3E%3Cpath d='M400 200 h50 l30 30 h100 l30 -30 h50'/%3E%3Ccircle cx='400' cy='200' r='4' fill='%232B2D42'/%3E%3Ccircle cx='660' cy='200' r='4' fill='%232B2D42'/%3E%3Cpath d='M1000 100 h50 l30 30 v100 l-30 30 h-50'/%3E%3Ccircle cx='1000' cy='100' r='4' fill='%232B2D42'/%3E%3Ccircle cx='1000' cy='260' r='4' fill='%232B2D42'/%3E%3Cpath d='M900 100 v50 l-30 30 v50'/%3E%3Ccircle cx='900' cy='100' r='4' fill='%232B2D42'/%3E%3Ccircle cx='870' cy='230' r='4' fill='%232B2D42'/%3E%3Cpath d='M600 700 h50 l20 -20 h80'/%3E%3Ccircle cx='600' cy='700' r='4' fill='%232B2D42'/%3E%3Ccircle cx='750' cy='680' r='4' fill='%232B2D42'/%3E%3Cpath d='M1100 700 h-50 l-20 -20 v-80'/%3E%3Ccircle cx='1100' cy='700' r='4' fill='%232B2D42'/%3E%3Ccircle cx='1030' cy='600' r='4' fill='%232B2D42'/%3E%3Cg transform='translate(850, 300) rotate(-10)'%3E%3Crect x='-30' y='-30' width='60' height='60' rx='5'/%3E%3Cpath d='M-40 -15 h10 M-40 0 h10 M-40 15 h10 M30 -15 h10 M30 0 h10 M30 15 h10'/%3E%3Cpath d='M-15 -40 v10 M0 -40 v10 M15 -40 v10 M-15 30 v10 M0 30 v10 M15 30 v10'/%3E%3Ccircle cx='-15' cy='-15' r='3'/%3E%3C/g%3E%3Cg transform='translate(1050, 450) rotate(15)'%3E%3Crect x='-25' y='-40' width='50' height='80' rx='4'/%3E%3Cpath d='M-35 -25 h10 M-35 -5 h10 M-35 15 h10 M-35 25 h10 M25 -25 h10 M25 -5 h10 M25 15 h10 M25 25 h10'/%3E%3C/g%3E%3Cg transform='translate(1000, 600)'%3E%3Ccircle cx='0' cy='0' r='25'/%3E%3Ccircle cx='0' cy='0' r='8'/%3E%3Cpath d='M0 -25 v-8 M0 25 v8 M-25 0 h-8 M25 0 h-8 M-18 -18 l-6 -6 M18 18 l6 6 M18 -18 l6 -6 M-18 18 l-6 -6' stroke-width='6'/%3E%3C/g%3E%3Cg transform='translate(750, 150) rotate(22.5)'%3E%3Ccircle cx='0' cy='0' r='18'/%3E%3Ccircle cx='0' cy='0' r='5'/%3E%3Cpath d='M0 -18 v-6 M0 18 v6 M-18 0 h-6 M18 0 h-6 M-13 -13 l-4 -4 M13 13 l4 4 M13 -13 l4 -4 M-13 13 l-4 -4' stroke-width='4'/%3E%3C/g%3E%3Cg transform='translate(750, 500) rotate(-5)'%3E%3Crect x='-35' y='-25' width='70' height='50' rx='8'/%3E%3Ccircle cx='-15' cy='-5' r='4' fill='%232B2D42'/%3E%3Ccircle cx='15' cy='-5' r='4' fill='%232B2D42'/%3E%3Cpath d='M-10 15 h20 M-40 0 h-8 M35 0 h8 M0 -25 v-15'/%3E%3Ccircle cx='0' cy='-42' r='3'/%3E%3C/g%3E%3Ctext x='820' y='750' font-family='monospace' font-size='22' fill='%232B2D42' stroke='none'%3Ewhile(true) %7B lern(); %7D%3C/text%3E%3Ctext x='600' y='250' font-family='monospace' font-size='18' fill='%232B2D42' stroke='none'%3Eimport AI;%3C/text%3E%3Ctext x='950' y='80' font-family='monospace' font-size='18' fill='%232B2D42' stroke='none'%3Econsole.log(%22Maker%22)%3C/text%3E%3Ctext x='620' y='550' font-family='sans-serif' font-weight='bold' font-size='18' fill='%232B2D42' stroke='none'%3E</>%3C/text%3E%3Cpath d='M550 450 q 20 -20 40 0 t 40 0 t 40 0'/%3E%3Cpath d='M1050 200 q 15 -15 30 0 t 30 0'/%3E%3C/g%3E%3C/svg%3E");
            background-repeat: no-repeat;

            background-size: 1200px auto;
            opacity: 0.15;
            pointer-events: none;
            z-index: -1;
            display: none; /* Off by default */
        }

        /* MODIFIER: Index Page (Wraps header + hero, centers SVG) */
        .top-bg-wrapper--index {
            overflow: hidden;
            padding-bottom: 0;
        }
        .top-bg-wrapper--index::after {
            display: block;
            top: 0;
            bottom: 0;
            height: auto;
            background-position: center center;
        }

        /* MODIFIER: Course Pages (Wraps header, leaks out SVG) */
        .top-bg-wrapper--course {
            overflow: visible;
        }
        .top-bg-wrapper--course::after {
            display: block;
            top: 150px;
            height: 800px;
            background-position: top center;
        }

        /* MODIFIER: Legal Pages (No SVG at all, uses base behavior) */
        .top-bg-wrapper--legal {
            /* Inherits display: none on ::after */
        }

        .top-bg-wrapper .container {
            position: relative;
            z-index: 1;
        }

        .legal-content {
            padding: 40px 0 100px 0;
        }

        .section-title {
            font-size: 3rem;
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        
        header {
            padding: 20px 0;
            background-color: transparent;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .logo svg {
            height: 130px;
            width: auto;
        }

        .logo-sub {
            font-family: var(--font-body);
            font-size: 0.9rem;
            color: var(--color-dark);
            margin-top: 8px;
            letter-spacing: -0.2px;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        nav a {
            font-weight: 600;
            transition: color 0.2s;
        }

        nav a:hover {
            color: #8fa816;

        }

        
        .hero {
            padding: 100px 0 120px;
            background-color: transparent;
            position: relative;
        }

        .hero::after {

            content: '';
            position: absolute;
            right: 0;
            top: 0;
            bottom: 0;
            width: 50%;
            pointer-events: none;
            
            display: none;
        }

        .hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap: 40px;
        }

        .hero-text {
            text-align: left;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            line-height: 1.2;
            margin-bottom: 20px;
            max-width: 900px;
        }

        .hero p {
            font-size: 1.25rem;
            color: #555;
            margin-bottom: 40px;
        }
        

        @media (max-width: 768px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .hero-text {
                text-align: left;
            }

            .hero-text h1 {
                margin-left: 0;
                margin-right: 0;
            }

            .hero-visual {
                min-height: 250px;
                opacity: 0.6;
            }

            .hero-visual svg {
                max-height: 300px;
            }
        }

        .btn {
            display: inline-block;
            background-color: var(--color-accent);
            color: var(--color-dark);
            font-family: var(--font-heading);
            font-size: 1.2rem;
            padding: 15px 35px;
            border-radius: 8px 25px 10px 20px;

            border: 2px solid var(--color-dark);
            transition: all 0.2s ease;
            box-shadow: 4px 4px 0 var(--color-dark);
        }

        .btn:hover {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0 var(--color-dark);
            background-color: #c4f015;

        }

        
        .features {
            background-color: var(--color-gray);
            padding: 100px 0;
            position: relative;
        }

        
        .features::before {
            content: '';
            position: absolute;
            top: -20px;
            left: 0;
            width: 100%;
            height: 40px;
            background-color: var(--color-gray);
            transform: skewY(-1deg);
            
        }

        .features .container {
            position: relative;
            z-index: 1;
        }

        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 40px;
        }

        .card {
            background-color: var(--color-white);
            padding: 40px 30px;
            text-align: center;

            border: 2px solid var(--color-dark);

            border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;

            box-shadow: 4px 4px 0 var(--color-dark);
            transition: all 0.2s ease;
        }

        .card:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 var(--color-accent);

            border-radius: 15px 255px 15px 225px / 255px 15px 225px 15px;
        }

        .icon-wrapper {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background-color: var(--color-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--color-dark);
            border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
        }

        .icon-wrapper svg {
            width: 40px;
            height: 40px;
            stroke: var(--color-dark);
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
            fill: none;
        }

        .card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .card p {
            color: #666;
            font-size: 1rem;
        }


        /* Back to top button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background-color: var(--color-accent);
            color: #2B2D42;
            border: none;
            border-radius: 12px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all 0.3s ease;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(212, 255, 38, 0.3);
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            background-color: #bce01f;
            transform: translateY(2px);
            box-shadow: 0 6px 16px rgba(212, 255, 38, 0.4);
        }

        .back-to-top svg {
            width: 24px;
            height: 24px;
            fill: #2B2D42;
            stroke: #2B2D42;
            stroke-width: 2;
        }

        footer {
            background-color: var(--color-dark);
            color: var(--color-white);
            padding: 40px 0;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-links {
            display: flex;
            gap: 20px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: var(--color-accent);
        }

        
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 20px;
            }

            nav ul {
                gap: 15px;
            }

            .hero {
                padding: 40px 0 60px;
            }

            .hero-visual {
                display: none;
            }

            .features {
                padding: 60px 0;
            }

            .footer-content {
                flex-direction: column;
                text-align: center;
            }

            .about-content {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 40px;
            }

            .about-portrait-wrapper {
                margin: 0 auto 30px;
            }

            .tape {
                left: 50%;
                transform: translateX(-50%) rotate(-3deg);
            }
        }

        
        .section-divider {
            width: 100%;
            height: 30px;
            background-image: url("data:image/svg+xml,%3Csvg preserveAspectRatio='none' viewBox='0 0 200 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 15 Q 15 5, 30 15 T 60 15 T 90 15 T 120 15 T 150 15 T 180 15 T 200 15' stroke='%232B2D42' stroke-width='2' fill='none' stroke-linecap='round' stroke-dasharray='10, 10' opacity='0.2'/%3E%3C/svg%3E");
            background-repeat: repeat-x;
            background-size: 200px 30px;
            margin: 60px 0 20px;
        }

        
        .about-us {
            background-color: var(--color-white);
            padding: 40px 0 80px;
            position: relative;
        }

        .about-us h2 {
            font-size: clamp(2rem, 4vw, 3.5rem);
            margin-bottom: 60px;
            text-align: center;
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 60px;
            align-items: center;
        }

        .about-portrait-wrapper {
            position: relative;
            display: block;
            margin: 0 auto;
            width: 100%;
            max-width: 320px;
        }

        .about-portrait {
            width: 100%;
            height: auto;
            display: block;
            border: 2px solid var(--color-dark);
            border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
            box-shadow: 4px 4px 0 var(--color-dark);
            background-color: var(--color-white);
        }

        
        .tape {
            position: absolute;
            top: -12px;
            left: 10%;
            transform: rotate(-10deg);
            width: 90px;
            height: 35px;
            background-color: rgba(220, 220, 220, 0.7);
            border: 1px solid rgba(43, 45, 66, 0.3);
            border-radius: 3px 5px 2px 4px;

            box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.05);
            z-index: 2;
        }

        .tape::after {
            content: '';
            position: absolute;
            top: 5px;
            left: 5px;
            right: 5px;
            bottom: 5px;
            border: 1px solid rgba(43, 45, 66, 0.1);
            border-radius: 2px;
        }

        
        .about-text {
            font-size: 1.25rem;
            color: #444;

            line-height: 1.8;
            font-family: var(--font-body);
            text-align: left;
        }

        .about-text p {
            margin-bottom: 1.5rem;
        }

        .about-text p:last-child {
            margin-bottom: 0;
        }

        
        .contact {
            background-color: var(--color-gray);
            padding: 100px 0;
        }

        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: flex-start;
        }

        .contact-text h2 {
            font-size: clamp(2rem, 4vw, 3.5rem);
            margin-bottom: 20px;
        }

        .contact-text p {
            font-size: 1.25rem;
            color: #444;
            line-height: 1.8;
            font-family: var(--font-body);
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .contact-form .input-group {
            display: flex;
            flex-direction: column;
        }

        .contact-form input,
        .contact-form textarea {
            background-color: var(--color-white);
            border: 2px solid var(--color-dark);
            border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;

            padding: 15px;
            font-family: var(--font-body);
            font-size: 1.1rem;
            color: var(--color-dark);
            transition: all 0.2s ease;
            width: 100%;

            box-sizing: border-box;

        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            box-shadow: 4px 4px 0 var(--color-accent);
            transform: translate(-2px, -2px);
        }

        .contact-form .btn {
            align-self: flex-start;
            cursor: pointer;
        }

        
        @media (max-width: 768px) {
            .contact-content {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 40px;
            }

            .contact-text {
                margin-bottom: 30px;
            }

            .contact-form {
                text-align: left;
                width: 100%;
            }

            .contact-form .btn {
                align-self: center;
            }
        }

/* ==========================================================================
   Course Detail Pages
   ========================================================================== */

.course-detail {
            padding: 40px 0 100px 0;
            background-color: transparent;
            flex: 1;
            position: relative;
            z-index: 2;
        }

        .course-grid {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 60px;
            align-items: start;
        }

        .course-content h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            margin-top: 20px;
            margin-bottom: 30px;
            line-height: 1.2;
        }

        .course-content h2 {
            font-size: 2rem;
            margin-top: 40px;
            margin-bottom: 20px;
        }

        .course-content p {
            font-size: 1.15rem;
            margin-bottom: 20px;
            line-height: 1.8;
            color: #444;
        }

        .course-content ul {
            list-style: none;
            padding-left: 20px;
            margin-bottom: 30px;
        }

        .course-content ul li {
            position: relative;
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: #444;
        }

        .course-content ul li::before {
            content: '→';
            position: absolute;
            left: -20px;
            color: var(--color-accent);
            font-weight: bold;
            font-family: var(--font-heading);
            font-size: 1.2rem;
        }

        .course-image-wrapper {
            position: relative;
            display: block;
            margin: 0 0 40px 0;
            width: 100%;
            max-width: 600px;
        }
        .course-image {
            width: 100%;
            height: auto;
            display: block;
            border: 2px solid var(--color-dark);
            border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
            box-shadow: 4px 4px 0 var(--color-dark);
            background-color: var(--color-white);
        }

        .course-sidebar {
            position: sticky;
            top: 120px;
            background-color: var(--color-white);
            border: 2px solid var(--color-dark);
            border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
            box-shadow: 4px 4px 0 var(--color-dark);
            padding: 30px;
        }

        .course-sidebar h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            text-align: center;
        }

        .course-facts {
            list-style: none;
            padding: 0;
            margin-bottom: 30px;
            font-family: var(--font-body);
        }

        .course-facts li {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #333;
        }

        .course-facts li strong {
            display: block;
            color: var(--color-dark);
            margin-bottom: 4px;
        }

        .course-sidebar .btn {
            width: 100%;
            text-align: center;
        }

        /* Kurs-Detail: ergänzende Bausteine (KI-Kurs) – bestehende Design-Tokens */
        .course-box {
            background-color: var(--color-white);
            border: 2px solid var(--color-dark);
            border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
            box-shadow: 4px 4px 0 var(--color-dark);
            padding: 30px;
            margin: 0 0 30px 0;
        }

        .module-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin: 30px 0;
        }

        .module-card {
            position: relative;
            background-color: var(--color-white);
            border: 2px solid var(--color-dark);
            border-radius: 12px;
            padding: 30px 25px 25px 25px;
            box-shadow: 4px 4px 0 var(--color-dark);
        }

        .module-badge {
            position: absolute;
            top: -14px;
            left: 20px;
            background-color: var(--color-accent);
            border: 2px solid var(--color-dark);
            font-family: var(--font-heading);
            font-size: 1.1rem;
            padding: 2px 14px;
            border-radius: 20px;
            box-shadow: 2px 2px 0 var(--color-dark);
        }

        .module-card h3 {
            font-size: 1.6rem;
            margin-bottom: 10px;
        }

        .duration-badge {
            display: inline-block;
            background-color: var(--color-gray);
            font-size: 0.85rem;
            font-weight: bold;
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 15px;
        }

        .module-card p {
            color: #444;
            margin-bottom: 15px;
        }

        .post-it {
            background-color: var(--color-accent);
            border: 2px solid var(--color-dark);
            border-radius: 5px 255px 3px 225px / 255px 5px 225px 3px;
            box-shadow: 6px 6px 0 var(--color-dark);
            padding: 25px;
            transform: rotate(-1.5deg);
            margin: 50px 0 0 0;
        }

        .post-it h3 {
            font-family: var(--font-heading);
            margin: 0 0 10px 0;
            font-size: 1.6rem;
        }

        .post-it p {
            margin: 0;
            font-size: 1rem;
            color: var(--color-dark);
        }

        @media (max-width: 768px) {
            .course-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .course-sidebar {
                position: static;
            }

            .course-detail {
                padding: 60px 20px;
                flex: 1;
            }
        }

        /* MODAL: Global Contact Form */
        .modal-overlay {
            display: none;
            position: fixed;
            z-index: 10000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(43, 45, 66, 0.8); /* Using var(--color-dark) with opacity */
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .modal-overlay.show {
            display: flex;
        }

        .modal-content {
            background-color: var(--color-white);
            padding: 40px;
            border-radius: 12px;
            width: 100%;
            max-width: 550px;
            position: relative;
            box-shadow: 10px 10px 0px var(--color-dark);
            border: 3px solid var(--color-dark);
        }

        .modal-content h2 {
            font-size: 2.5rem;
            margin-bottom: 25px;
            text-align: center;
        }

        .modal-close {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 32px;
            line-height: 1;
            cursor: pointer;
            color: var(--color-dark);
            transition: transform 0.2s ease;
            background: none;
            border: none;
            padding: 0;
        }

        .modal-close:hover {
            transform: scale(1.2) rotate(90deg);
        }

        .modal-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .modal-form .input-group input,
        .modal-form .input-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-family: var(--font-body);
            font-size: 1rem;
            transition: border-color 0.2s;
        }

        .modal-form .input-group input:focus,
        .modal-form .input-group textarea:focus {
            outline: none;
            border-color: var(--color-dark);
        }

        .modal-form .btn {
            width: 100%;
            justify-content: center;
        }

/* Course Overview Styling */
.course-header-center {
    text-align: center;
    margin-bottom: 60px;
}

.course-header-center h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

.course-header-center p {
    font-size: 1.25rem;
    color: #555;
    max-width: 700px;
    margin: 20px auto 0;
}

.course-fact-list {
    margin: 20px 0;
    text-align: left;
}

.course-fact-list ul {
    list-style: none;
    padding: 0;
}

.course-fact-list li {
    margin-bottom: 5px;
}

.card .btn-full {
    width: 100%;
    border-radius: 8px;
    text-align: center;
    display: block;
}