:root {
    --primary-color: #1a237e;
    --secondary-color: #ff6f00;
    --light-gray: #f5f5f5;
    --dark-gray: #333;
    --white: #fff;
}

body {
    font-family: 'Titillium Web', sans-serif;
    margin: 0;
    line-height: 1.6;
    color: var(--dark-gray);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    color: var(--primary-color);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 10;
}

.logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: none;
    list-style: none;
    flex-direction: column;
    width: 100%;
    text-align: center;
    position: absolute;
    top: 60px;
    left: 0;
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin: 0;
    padding: 0;
}

.nav-links.active {
    display: flex;
}

.nav-links li {
    margin: 1rem 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.menu-toggle {
    display: block;
    cursor: pointer;
    z-index: 11;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--dark-gray);
    margin: 5px 0;
    transition: 0.4s;
}

.hero {
    background-image: url('images/Luxembourg-Project-Pool.webp');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 100px 20px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
}

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

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #e65100;
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--dark-gray);
}

.intro {
    padding: 4rem 0;
}

.intro h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.intro-card {
    background-color: var(--light-gray);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    text-align: center;
}

.intro-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.intro-card h3 {
    margin: 1.5rem 0;
}

.intro-card p {
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
}

.intro-card .btn {
    margin-bottom: 1.5rem;
}

footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
}

.page-content {
    padding: 4rem 20px;
}

.add-ons-title, .subscriptions-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.add-ons-grid, .subscriptions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.add-on-card, .subscription-card {
    background-color: var(--light-gray);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    text-align: center;
    padding-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.add-on-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.add-on-card h3, .subscription-card h3 {
    margin: 1.5rem 0;
    color: var(--primary-color);
}

.add-on-card p {
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.subscription-card .price {
    font-size: 2rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.subscription-card .price span {
    font-size: 1rem;
    font-weight: normal;
    color: var(--dark-gray);
}

.subscription-card ul {
    list-style: none;
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.subscription-card ul li {
    margin-bottom: 0.5rem;
}

.subscription-card.popular {
    border: 2px solid var(--secondary-color);
    transform: scale(1.05);
}

.cta-section {
    text-align: center;
    padding: 3rem 20px;
    background-color: var(--light-gray);
    border-radius: 8px;
    margin-top: 3rem;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

.contact-info {
    background-color: var(--light-gray);
    padding: 2rem;
    border-radius: 8px;
}

@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

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

    .hero h1 {
        font-size: 2.5rem;
    }
}

/* --- Portfolio Carousel Section --- */
.portfolio-carousel-section {
    background-color: #111;
    padding: 4rem 0;
    color: var(--white);
}

.portfolio-carousel-section h2,
.portfolio-carousel-section h3 {
    color: var(--white);
    text-align: center;
}

.portfolio-carousel-section h3 {
    font-weight: 400;
    opacity: 0.8;
    margin-bottom: 2rem;
}

.swiper-container {
    width: 100%;
    height: 33vh;
    padding: 2rem 0;
}

.swiper-slide {
    width: 60%;
    height: 100%;
    transition: transform 0.5s, opacity 0.5s;
    opacity: 0.5;
    transform: scale(0.8);
    position: relative;
    border-radius: 10px;
    overflow: hidden;
}

.swiper-slide-active {
    opacity: 1;
    transform: scale(1);
}

.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.slide-text-overlay {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background-color: rgba(0, 0, 0, 0.6);
    color: var(--white);
    padding: 10px 15px;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    opacity: 0;
    transition: opacity 0.5s;
}

.swiper-slide-active .slide-text-overlay {
    opacity: 1;
}

.slide-text-overlay h4 {
    margin: 0 0 5px 0;
    font-size: 1.2rem;
}

.slide-text-overlay p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

.swiper-pagination {
    position: static;
    margin-top: 1rem;
}

.swiper-pagination-bullet {
    background-color: rgba(255, 255, 255, 0.5);
    width: 12px;
    height: 12px;
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background-color: var(--secondary-color);
}