/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-green: #00aa63;
    --dark-green: #008850;
    --black: #000000;
    --dark-gray: #1a1a1a;
    --medium-gray: #666666;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --border-gray: #e0e0e0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--black);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-gray);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 16px 0;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 18px;
    color: var(--black);
    text-decoration: none;
}

.logo svg {
    color: var(--black);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    margin: 0;
}

.nav-link {
    color: var(--black);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
    cursor: pointer;
}

.nav-link:hover {
    color: var(--primary-green);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.currency-select {
    border: 1px solid var(--border-gray);
    background-color: var(--white);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.currency-select:hover {
    border-color: var(--medium-gray);
}

.search-btn,
.cart-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--black);
    padding: 8px;
    transition: color 0.2s;
    position: relative;
}

.search-btn:hover,
.cart-btn:hover {
    color: var(--primary-green);
}

.cart-count {
    position: absolute;
    top: 2px;
    right: 2px;
    background-color: var(--primary-green);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-btn {
    background-color: var(--primary-green);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.cta-btn:hover {
    background-color: var(--dark-green);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--black);
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    background-color: var(--light-gray);
    padding: 80px 0 100px;
}

.hero-content {
    max-width: 900px;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.highlight {
    display: block;
    background: linear-gradient(90deg, var(--primary-green) 0%, var(--dark-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green) 0%, var(--dark-green) 100%);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--medium-gray);
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    background-color: var(--primary-green);
    color: var(--white);
    border: none;
    padding: 16px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background-color: var(--dark-green);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--black);
    border: 2px solid var(--border-gray);
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    border-color: var(--black);
    transform: translateY(-2px);
}

.link-arrow {
    color: var(--black);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.2s;
}

.link-arrow::after {
    content: '→';
    font-size: 20px;
}

.link-arrow:hover {
    gap: 12px;
    color: var(--primary-green);
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background-color: var(--white);
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 60px;
    text-align: left;
    letter-spacing: -0.02em;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.step-card {
    background-color: var(--light-gray);
    padding: 40px 32px;
    border-radius: 16px;
    transition: all 0.3s;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 56px;
    height: 56px;
    background-color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--black);
}

.step-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.step-description {
    color: var(--medium-gray);
    font-size: 15px;
    line-height: 1.7;
}

/* Expert Section */
.expert-section {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.expert-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-top: 60px;
}

.expert-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.expert-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.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;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.6;
}

.check-icon {
    color: var(--primary-green);
    flex-shrink: 0;
    margin-top: 2px;
}

.expert-note {
    color: var(--medium-gray);
    font-size: 13px;
    margin-top: 16px;
    font-style: italic;
}

/* Footer */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 60px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 12px;
}

.footer-brand .logo svg {
    color: var(--white);
}

.footer-tagline {
    color: var(--medium-gray);
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--medium-gray);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: var(--primary-green);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    color: var(--medium-gray);
    transition: color 0.2s;
}

.social-links a:hover {
    color: var(--primary-green);
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-legal p {
    color: var(--medium-gray);
    font-size: 13px;
}

.cookies-btn {
    background: transparent;
    border: 1px solid var(--medium-gray);
    color: var(--medium-gray);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.cookies-btn:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .expert-content {
        gap: 60px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu,
    .nav-actions .currency-select,
    .nav-actions .search-btn,
    .nav-actions .cart-btn,
    .nav-actions .cta-btn {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 60px 0 80px;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .section-title {
        font-size: 36px;
    }

    .how-it-works {
        padding: 60px 0;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .expert-section {
        padding: 60px 0;
    }

    .expert-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .expert-title {
        font-size: 32px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 24px;
        align-items: flex-start;
    }

    .footer-legal {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .expert-title {
        font-size: 28px;
    }

    .step-card {
        padding: 32px 24px;
    }

    .social-links {
        flex-wrap: wrap;
    }
}