:root {
    --background: #0d1117;
    --surface: #161b22;
    --card: #21262d;

    --primary: #22FF00;
    --primary-hover: #2563eb;
    --accent: #F2A500;

    --text: #f8fafc;
    --text-secondary: #94a3b8;

    --border: #30363d;
}

/* ===========================
   Reset
=========================== */

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

/* ===========================
   Body
=========================== */

body {
    background: var(--background);
    color: var(--text);
    font-family: 'Jura', sans-serif;
    line-height: 1.7;
}

/* ===========================
   Main
=========================== */

main {
    margin-left: clamp(220px, 18vw, 280px);
}

/* ===========================
   Terminal
=========================== */

.terminal {
    background: #000;
    color: var(--accent);

    padding: 12px 25px;

    border-bottom: 1px solid #222;

    font-size: 18px;
    font-weight: bold;

    text-align: right;
    letter-spacing: 2px;
}

/* ===========================
   Header
=========================== */

header {
    max-width: 1200px;
    margin: auto;
    padding: 20px;
}

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

.logo {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--primary);

    text-align: center;

    letter-spacing: 1px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

nav a {
    color: var(--text);
    text-decoration: none;
}

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

/* ===========================
   Hero
=========================== */

.hero {
    padding: 120px 20px 40px 20px;

    text-align: center;

    background:
        radial-gradient(
            circle at top right,
            rgba(34,255,0,0.08),
            transparent 40%
        );
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero p {
    max-width: 800px;
    margin: auto;

    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ===========================
   Buttons
=========================== */

.btn {
    display: inline-block;

    margin-top: 40px;
    padding: 14px 30px;

    border-radius: 10px;

    text-decoration: none;

    background: var(--primary);
    color: #000;

    font-weight: bold;

    transition: all .3s ease;
}

.btn:hover {
    background: var(--accent);
}

.booking-button {

    display: inline-block;

    margin-top: 20px;
    padding: 14px 32px;

    background: var(--primary);

    color: #000;

    font-weight: 700;
    font-size: 1rem;

    text-decoration: none;

    border: none;
    border-radius: 10px;

    cursor: pointer;

    transition: all 0.3s ease;
}

.booking-button:hover {

    background: var(--accent);

    color: #000;

    transform: translateY(-2px);

    box-shadow:
        0 0 20px rgba(242,165,0,.25);
}

.booking-button:active {

    transform: translateY(0);
}

.booking-button:focus {

    outline: none;

    box-shadow:
        0 0 0 3px rgba(34,255,0,.25);
}

/* ===========================
   Sections
=========================== */

section {
    padding: 80px 20px;
}

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

h2 {
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary);
}

/* ===========================
   Services
=========================== */

.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
    gap: 25px;
}

.card {
    background: var(--card);

    border: 1px solid var(--border);
    border-radius: 16px;

    padding: 30px;

    transition: all .3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.card h3 {
    margin-bottom: 15px;
    color: var(--primary);
}

.card p {
    color: var(--text-secondary);
}

/* ===========================
   About
=========================== */

.about {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 40px 80px 40px;
    text-align: center;
}

.about h1 {

    font-size: clamp(2.5rem, 5vw, 4rem);

    margin-bottom: 40px;

    color: var(--text);

    text-align: center;
}

.about > p {

    max-width: 1000px;

    margin: 0 auto 25px auto;

    color: var(--text-secondary);

    text-align: center;

    font-size: 1.1rem;

    line-height: 1.9;
}

.about-card p {
    color: var(--text-secondary);
    text-align: left;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-grid {
    margin-top: 15px;

    display: grid;
    grid-template-columns:
        repeat(auto-fit, minmax(350px, 1fr));

    gap: 15px;

    margin-bottom: 20px; /* toevoegen */
}

.about-card {

    background: linear-gradient(
        180deg,
        #21262D 0%,
        #1A202C 100%
    );

    border: 1px solid var(--border);
    border-radius: 16px;

    padding: 30px;

    text-align: left;

    transition: all .3s ease;
}

.about-card h2 {
    text-align: left;
    color: var(--primary);
    margin-bottom: 20px;
}

.about-card p {
    color: var(--text-secondary);
    text-align: left;
    line-height: 1.8;
}

.about-card ul {
    padding-left: 25px;
    margin-top: 15px;
}

.about-card li {
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.6;
}

.about-card:hover {

    border-color: var(--primary);

    box-shadow:
        0 0 25px rgba(34,255,0,.12);
		
}

.about-highlight {

    max-width: 1000px;

    margin: 15px auto 0 auto;

    padding: 35px 40px;

    background: linear-gradient(
        135deg,
        #1A202C 0%,
        #21262D 100%
    );

    border-left: 5px solid var(--primary);

    border-radius: 16px;

    text-align: center;

    box-shadow:
        0 0 25px rgba(34,255,0,.08);
}

.about-highlight p {

    margin: 0;

    font-size: 1.2rem;

    line-height: 1.8;

    color: var(--text);

    font-weight: 500;
}

.about-list {

    max-width: 900px;

    margin: 20px auto 40px auto;

    padding-left: 25px;

    color: var(--text-secondary);

    text-align: left;

    line-height: 1.8;
}

.about-list li {

    margin-bottom: 10px;

    color: var(--text-secondary);
}

/* Subcategorieën */

.about-list ul {

    margin-top: 8px;
    margin-bottom: 15px;

    padding-left: 25px;
}

.about-list ul li {

    font-size: 0.95rem;

    color: var(--text-secondary);
}

/* ===========================
   CTA
=========================== */

.cta {
    text-align: center;
    background: var(--surface);
}

/* ===========================
   Footer
=========================== */

footer {
    text-align: center;
    padding: 30px;

    border-top: 1px solid var(--border);

    color: var(--text-secondary);
}

/* ===========================
   Sidebar
=========================== */

.sidebar {
    position: fixed;
    top: 0;
    left: 0;

    width: clamp(220px, 18vw, 280px);
    height: 100vh;

    text-align: center;

    overflow-y: auto;
    overflow-x: hidden;

    background-color: var(--card);

    border-right: 1px solid var(--border);

    padding: 30px 25px;

    z-index: 1000;
}

/* Active menu item */

.sidebar a.active {
    background: linear-gradient(
        90deg,
        #1A202C 0%,
        #21262D 100%
    );

    border-left: 4px solid #22FF00;

    color: #22FF00;

    font-weight: 700;
}

/* Sidebar links */

.sidebar a {
    display: block;

    padding: 14px 0;

    color: var(--text);

    text-decoration: none;

    font-weight: 600;

    border-bottom: 1px solid var(--border);

    transition: all .25s ease;
}

/* Sidebar hover */

.sidebar a:hover {
    background-color: #161B22;

    border-left: 4px solid #F2A500;

    color: #F2A500;

    padding-left: 10px;
}

/* Sidebar title */

.sidebar h3 {
    margin-bottom: 30px;
    text-align: center;
}

/* Sidebar logo */

.sidebar-logo {
    display: block;

    width: 210px;
    height: auto;

    margin: 35px auto 20px auto;
}

/* Logo link */

.sidebar .logo-link {
    padding: 0;
    border-bottom: none;
}

.logo-link {
    text-align: center;
}

/* ===========================
   Tablet
=========================== */

@media (max-width: 1024px) {

    .hero h1 {
        font-size: 3rem;
    }

    main {
        margin-left: 240px;
    }
}

/* ===========================
   Mobile
=========================== */

@media (max-width: 768px) {

    main {
        margin-left: 0;
    }

    .sidebar {
        position: relative;

        width: 100%;
        height: auto;

        border-right: none;
        border-bottom: 1px solid var(--border);

        padding: 20px;
    }

    .sidebar-logo {
        width: 160px;
        margin: 10px auto 20px auto;
    }

    .sidebar a {
        padding: 14px;
        font-size: 1rem;
    }

    .sidebar a:hover {
        padding-left: 14px;
    }

    .hero {
        padding: 60px 20px;
    }

    .hero h1 {
        font-size: 2.3rem;
    }

    .hero p {
        font-size: 1rem;
    }

    section {
        padding: 60px 20px;
    }

    .terminal {
        font-size: 12px;
        letter-spacing: 1px;
    }

    nav {
        flex-direction: column;
        gap: 20px;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .btn {
        width: 100%;
        max-width: 320px;
    }
}
/* ===========================
   Homepage Tiles
=========================== */

.homepage-tiles {
    padding: 40px 20px 80px 20px;
}

.homepage-tiles .container {
    display: grid;

    grid-template-columns:
        repeat(auto-fit, minmax(350px, 1fr));

    gap: 30px;
}

.home-tile {

    display: block;

    background: linear-gradient(
        180deg,
        #21262D 0%,
        #1A202C 100%
    );

    border: 1px solid var(--border);

    border-radius: 16px;

    padding: 40px;

    text-decoration: none;

    transition: all .3s ease;
}

.home-tile h2 {
    color: #22FF00;
    text-align: left;
    margin-bottom: 20px;
}

.home-tile h3 {
    color: #22FF00;
}

.home-tile:hover h3 {
    color: var(--accent);
}

.home-tile:hover h3 {
    color: #F2A500;
}

.home-tile p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 25px;
}

.home-tile span {
    color: #F2A500;
    font-weight: 600;
}

.home-tile:hover {

    transform: translateY(-6px);

    border-color: #22FF00;

    box-shadow:
        0 0 25px rgba(34,255,0,.10);
}

.home-tile:hover h2 {
    color: #F2A500;
}

@media (max-width: 768px) {

    .homepage-tiles .container {
        grid-template-columns: 1fr;
    }

    .home-tile {
        padding: 30px;
    }
O}
/* ===========================
   Images
=========================== */

.expertise-banner {
display: block;

    width: 90%;
    max-width: 750px;

    height: auto;

    margin: 40px auto;

    border-radius: 16px;

    border: 1px solid var(--border);

    box-shadow:
        0 0 25px rgba(34,255,0,.08);
}

@media (max-width: 768px) {
 
.expertise-banner  {
 
width: 100%;
 
max-width: 100%;
 
margin: 30px auto;
 
border-radius: 12px;
}
}

.about-banner {

    display: block;

    width: 90%;
    max-width: 750px;

    height: auto;

    margin: 40px auto;

    border-radius: 16px;

    border: 1px solid var(--border);

    box-shadow:
        0 0 25px rgba(34,255,0,.08);
}

@media (max-width: 768px) {
 
.about-banner {
 
width: 100%;
 
max-width: 100%;
 
margin: 30px auto;
 
border-radius: 12px;
}
}