:root {
    --primary-green: #84cc16; /* Lime Green */
    --primary-green-hover: #65a30d;
    --accent-blue: #0ea5e9; /* Electric Blue */
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-white);
    color: var(--text-main);
    line-height: 1.6;
}

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

/* Navbar */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}
.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo img {
    height: 40px;
}
.nav-links {
    display: flex;
    gap: 20px;
}
.nav-links a {
    font-weight: 600;
    color: var(--text-muted);
    transition: color 0.2s;
}
.nav-links a:hover {
    color: var(--accent-blue);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 16px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
}
.btn-primary {
    background-color: var(--primary-green);
    color: white !important;
}
.btn-primary:hover {
    background-color: var(--primary-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(132, 204, 22, 0.3);
}
.btn-secondary {
    background-color: var(--accent-blue);
    color: white !important;
}
.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(14, 165, 233, 0.3);
}

/* Sections */
section {
    padding: 80px 5%;
    max-width: 1200px;
    margin: 0 auto;
}
.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 40px;
    color: var(--accent-blue);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    min-height: 70vh;
}
.hero-content {
    flex: 1;
}
.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}
.hero-title span {
    color: var(--primary-green);
}
.hero-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 30px;
}
.hero-image {
    flex: 1;
    text-align: right;
}
.hero-image img {
    max-width: 100%;
    height: auto;
    max-height: 500px;
}

/* Tutorials / Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.feature-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--border-color);
}
.feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
}
.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

/* Pro Tips */
.pro-tips {
    background-color: var(--bg-light);
    border-radius: 16px;
    padding: 40px;
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 60px;
}
.pro-tips img {
    max-width: 200px;
}

/* Pricing */
.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}
.pricing-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    width: 300px;
    text-align: center;
    position: relative;
}
.pricing-card.premium {
    border-color: var(--primary-green);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}
.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-green);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
}
.price {
    font-size: 48px;
    font-weight: 800;
    margin: 20px 0;
}
.price span {
    font-size: 18px;
    color: var(--text-muted);
}
.pricing-features {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
    text-align: left;
}
.pricing-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* FAQ */
.faq-item {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
}
.faq-question {
    padding: 20px 0;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
}
.faq-answer {
    padding-bottom: 20px;
    color: var(--text-muted);
    display: none;
}
.faq-item.active .faq-answer {
    display: block;
}

/* Forms */
.form-container {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
    max-width: 600px;
    margin: 0 auto 40px auto;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
}
.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    box-sizing: border-box;
}
.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Footer */
footer {
    background-color: var(--text-main);
    color: white;
    text-align: center;
    padding: 40px 5%;
    margin-top: 80px;
}
footer a {
    color: var(--accent-blue);
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 40px;
    }
    .hero-image {
        order: -1;
    }
    .nav-links {
        display: none;
    }
    .pro-tips {
        flex-direction: column;
        text-align: center;
    }
}