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

:root {
    --solana-purple: #9945FF;
    --solana-green: #14F195;
    --solana-blue: #5497D5;
    --solana-cyan: #43B4CA;
    --solana-teal: #28E0B9;
    --dark-bg: #0a0a0a;
    --light-text: #ffffff;
    --gray-text: #a0a0a0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--light-text);
    background: var(--dark-bg);
}

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

.header {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.logo svg {
    height: 40px;
    width: auto;
}

.nav {
    display: flex;
    gap: 30px;
    flex: 1;
    justify-content: center;
}

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

.nav a:hover {
    color: var(--solana-green);
}

.language-switcher select {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light-text);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
}

.language-switcher select:focus {
    outline: none;
    border-color: var(--solana-purple);
}

.hero {
    padding: 120px 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(153, 69, 255, 0.1) 0%, rgba(20, 241, 149, 0.1) 100%);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--solana-purple) 0%, var(--solana-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--gray-text);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--solana-purple) 0%, var(--solana-green) 100%);
    color: var(--light-text);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(153, 69, 255, 0.3);
}

.meetup {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
}

.meetup h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--solana-green);
}

.meetup-info {
    max-width: 900px;
    margin: 0 auto;
}

.meetup-date {
    text-align: center;
    margin-bottom: 40px;
}

.meetup-date h3 {
    font-size: 1.8rem;
    color: var(--solana-purple);
}

.meetup-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.meetup-register {
    text-align: center;
    margin-top: 40px;
    padding-top: 40px;
}

.luma-checkout--button {
    display: inline-block;
    background: linear-gradient(135deg, var(--solana-purple), var(--solana-green));
    color: var(--light-text);
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 20px rgba(153, 69, 255, 0.3);
}

.luma-checkout--button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(153, 69, 255, 0.4);
}

.detail-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.detail-card h4 {
    color: var(--solana-green);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.detail-card ul {
    list-style: none;
    color: var(--gray-text);
}

.detail-card ul li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-card ul li:last-child {
    border-bottom: none;
}

.programme {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
}

.programme h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    background: linear-gradient(135deg, var(--solana-purple) 0%, var(--solana-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.programme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.week-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

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

.week-card h3 {
    color: var(--solana-green);
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.week-content h4 {
    color: var(--solana-purple);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.week-content ul {
    list-style: none;
    padding-left: 0;
}

.week-content ul li {
    color: var(--gray-text);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.week-content ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--solana-green);
}

.week-content p {
    color: var(--gray-text);
    margin: 10px 0;
}

.course-info {
    padding: 80px 0;
}

.course-info h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    background: linear-gradient(135deg, var(--solana-purple) 0%, var(--solana-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.course-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

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

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.course-card h3 {
    color: var(--solana-green);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.course-card p {
    color: var(--gray-text);
    line-height: 1.6;
}

.registration {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(153, 69, 255, 0.05) 0%, rgba(20, 241, 149, 0.05) 100%);
}

.registration h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--light-text);
}

.form-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
}

.form-container iframe {
    max-width: 100%;
    height: 909px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.success-message {
    max-width: 500px;
    margin: 30px auto 0;
    padding: 20px;
    background: rgba(20, 241, 149, 0.1);
    border: 1px solid var(--solana-green);
    border-radius: 8px;
    text-align: center;
}

.success-message p {
    color: var(--solana-green);
    font-weight: 500;
}

.footer {
    padding: 40px 0;
    background: rgba(0, 0, 0, 0.5);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    color: var(--gray-text);
    margin: 10px 0;
}

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

    .nav {
        width: 100%;
        justify-content: space-around;
        flex-wrap: wrap;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .meetup h2,
    .course-info h2,
    .registration h2 {
        font-size: 2rem;
    }

    .course-grid,
    .meetup-details {
        grid-template-columns: 1fr;
    }

    .registration-form {
        padding: 30px 20px;
    }

    .form-container iframe {
        max-width: 100%;
    }
}