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

:root {
    --color-primary: #00854D;
    --color-primary-dark: #006B3D;
    --color-text: #1A1A1A;
    --color-text-light: #666666;
    --color-bg: #FFFFFF;
    --color-bg-secondary: #F5F5F5;
    --color-border: #E0E0E0;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.navbar {
    background-color: var(--color-bg);
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 18px;
    color: var(--color-text);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    margin-left: 48px;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s;
}

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

.arrow {
    font-size: 10px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.currency-btn,
.icon-btn {
    background: none;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 4px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.currency-btn:hover,
.icon-btn:hover {
    background-color: var(--color-bg-secondary);
}

.cart-btn {
    position: relative;
}

.cart-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background-color: var(--color-primary);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.btn-secondary:hover {
    border-color: var(--color-text);
    background-color: var(--color-bg-secondary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
}

.hero {
    padding: 80px 0 120px;
    background-color: var(--color-bg);
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: 72px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.highlight {
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    right: 0;
    height: 12px;
    background-color: #4ADE80;
    z-index: -1;
}

.hero-description {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.link-more {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s;
}

.link-more:hover {
    color: var(--color-primary);
}

.how-it-works {
    padding: 80px 0;
    background-color: var(--color-bg-secondary);
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.step-card {
    background-color: var(--color-bg);
    padding: 32px;
    border-radius: 12px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.step-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.step-description {
    color: var(--color-text-light);
    font-size: 15px;
    line-height: 1.6;
}

.expert-section {
    padding: 80px 0;
    background-color: var(--color-bg);
}

.expert-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-top: 48px;
}

.expert-image {
    border-radius: 16px;
    overflow: hidden;
}

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

.expert-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 32px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.expert-features {
    list-style: none;
    margin-bottom: 32px;
}

.expert-features li {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 15px;
    line-height: 1.6;
}

.checkmark {
    flex-shrink: 0;
    color: var(--color-primary);
    margin-top: 2px;
}

.expert-note {
    margin-top: 16px;
    font-size: 13px;
    color: var(--color-text-light);
}

.footer {
    background-color: #1A1A1A;
    color: #FFFFFF;
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 12px;
}

.footer-tagline {
    color: #999999;
    font-size: 14px;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    color: #FFFFFF;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.social-links a:hover {
    background-color: #333333;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.footer-heading {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #FFFFFF;
}

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

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

.footer-column ul li a {
    color: #CCCCCC;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-column ul li a:hover {
    color: #FFFFFF;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid #333333;
}

.copyright {
    color: #999999;
    font-size: 13px;
}

.cookies-btn {
    background: none;
    border: 1px solid #666666;
    color: #FFFFFF;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: border-color 0.2s;
}

.cookies-btn:hover {
    border-color: #FFFFFF;
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: 56px;
    }

    .section-title {
        font-size: 40px;
    }

    .expert-content {
        gap: 40px;
    }

    .expert-title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-actions .currency-btn,
    .nav-actions .icon-btn:not(.cart-btn) {
        display: none;
    }

    .nav-actions .btn-primary {
        padding: 10px 16px;
        font-size: 14px;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        padding: 48px 0 80px;
    }

    .hero-title {
        font-size: 40px;
    }

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

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

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
    }

    .how-it-works,
    .expert-section {
        padding: 56px 0;
    }

    .section-title {
        font-size: 32px;
        margin-bottom: 32px;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .expert-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .expert-title {
        font-size: 28px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 32px;
    }

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

    .step-card {
        padding: 24px;
    }

    .expert-title {
        font-size: 24px;
    }
}