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

:root {
    --primary-black: #1a1a1a;
    --primary-black-light: #2a2a2a;
    --accent-green: #00e676;
    --accent-green-dark: #00c853;
    --text-white: #ffffff;
    --text-gray: #b0b0b0;
    --text-gray-light: #d4d4d4;
    --border-gray: #3a3a3a;
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    font-family: var(--font-main);
    background-color: var(--primary-black);
    color: var(--text-white);
    line-height: 1.6;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

button {
    cursor: pointer;
    border: none;
    font-family: inherit;
}

header {
    background-color: var(--primary-black);
    border-bottom: 1px solid var(--border-gray);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    padding: 20px 0;
}

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

.logo a {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-white);
}

.logo .highlight {
    color: var(--accent-green);
}

.footer-logo .highlight {
    color: var(--accent-green);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--text-gray-light);
    font-weight: 500;
    font-size: 16px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-green);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--accent-green);
    color: var(--primary-black);
}

.btn-primary:hover {
    background-color: var(--accent-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 230, 118, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--accent-green);
    color: var(--primary-black);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    gap: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-white);
    transition: all 0.3s ease;
}

.hero {
    padding: 100px 0 80px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero h1 .highlight {
    color: var(--accent-green);
}

.hero p {
    font-size: 20px;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-gray);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

.features {
    background-color: var(--primary-black-light);
}

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

.feature-card {
    background-color: var(--primary-black);
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.feature-icon {
    font-size: 48px;
    color: var(--accent-green);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-gray);
    font-size: 16px;
}

.how-it-works {
    background-color: var(--primary-black);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background-color: var(--accent-green);
    color: var(--primary-black);
    font-size: 32px;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.step p {
    color: var(--text-gray);
    font-size: 16px;
}

.packages {
    background-color: var(--primary-black-light);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.package-card {
    background-color: var(--primary-black);
    border-radius: 15px;
    padding: 50px 30px;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

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

.package-card.featured {
    border-color: var(--accent-green);
}

.package-card.featured::before {
    content: 'MOST POPULAR';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-green);
    color: var(--primary-black);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.package-card.second-featured {
    border-color: #ffd700;
}

.package-card.second-featured::before {
    content: 'BEST VALUE';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #ffd700;
    color: var(--primary-black);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.package-card.second-featured .package-price {
    color: #ffd700;
}

.package-name {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--text-white);
}

.package-price {
    font-size: 48px;
    font-weight: 800;
    color: var(--accent-green);
    margin-bottom: 5px;
}

.package-period {
    color: var(--text-gray);
    font-size: 16px;
    margin-bottom: 30px;
}

.package-description {
    color: var(--text-gray);
    font-size: 16px;
    margin-bottom: 30px;
}

.package-features {
    list-style: none;
    margin-bottom: 40px;
    text-align: left;
}

.package-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-gray);
    color: var(--text-gray-light);
    display: flex;
    align-items: center;
}

.package-features li::before {
    content: '✓';
    color: var(--accent-green);
    margin-right: 12px;
    font-weight: 700;
}

.package-features li:last-child {
    border-bottom: none;
}

.testimonials {
    background-color: var(--primary-black);
}

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

.testimonial-card {
    background-color: var(--primary-black-light);
    padding: 40px;
    border-radius: 10px;
}

.testimonial-stars {
    color: var(--accent-green);
    font-size: 20px;
    margin-bottom: 15px;
}

.testimonial-text {
    color: var(--text-gray-light);
    font-size: 16px;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    color: var(--text-white);
    font-weight: 600;
}

.testimonial-role {
    color: var(--text-gray);
    font-size: 14px;
}

.faq {
    background-color: var(--primary-black-light);
}

.faq-item {
    background-color: var(--primary-black);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    color: var(--accent-green);
}

.faq-question h3 {
    font-size: 18px;
    margin: 0;
    font-weight: 600;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer.active {
    max-height: 500px;
    padding: 0 25px 25px;
}

.faq-answer p {
    color: var(--text-gray);
    font-size: 16px;
    line-height: 1.8;
}

.faq-toggle {
    font-size: 24px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.about-section {
    padding: 80px 0;
    text-align: center;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h2 {
    font-size: 36px;
    margin-bottom: 30px;
}

.about-content p {
    color: var(--text-gray);
    font-size: 18px;
    margin-bottom: 20px;
    line-height: 1.8;
}

.contact {
    background-color: var(--primary-black-light);
}

.contact-form-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--primary-black);
    padding: 50px;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-gray-light);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-black-light);
    border: 1px solid var(--border-gray);
    border-radius: 5px;
    color: var(--text-white);
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-green);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.error-message {
    color: #ff5252;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

.success-message {
    background-color: var(--accent-green-dark);
    color: var(--text-white);
    padding: 15px;
    border-radius: 5px;
    text-align: center;
    margin-bottom: 20px;
    display: none;
}

footer {
    background-color: var(--primary-black-light);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-gray);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    font-size: 28px;
    margin-bottom: 15px;
}

.footer-section p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.8;
}

.footer-section h4 {
    color: var(--text-white);
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: var(--text-gray);
    font-size: 14px;
}

.footer-section ul li a:hover {
    color: var(--accent-green);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-gray);
}

.footer-bottom p {
    color: var(--text-gray);
    font-size: 14px;
}

.cta-section {
    background: linear-gradient(135deg, var(--primary-black-light) 0%, var(--primary-black) 100%);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta-section p {
    color: var(--text-gray);
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.content-wrapper h3 {
    font-size: 24px;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--text-white);
}

.content-wrapper p {
    color: var(--text-gray);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.content-wrapper ul li {
    color: var(--text-gray);
    font-size: 16px;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.content-wrapper ul li::before {
    content: '•';
    color: var(--accent-green);
    position: absolute;
    left: 0;
    font-weight: 700;
}

.content-wrapper a {
    color: var(--accent-green);
}

.content-wrapper a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--primary-black);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-gray);
    }

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

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .cta-section h2 {
        font-size: 28px;
    }

    .contact-form-container {
        padding: 30px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .feature-card,
    .package-card,
    .testimonial-card {
        padding: 30px 20px;
    }

    .section {
        padding: 60px 0;
    }
}