:root {
    --color-primary: #2E4057;
    --color-secondary: #8D99AE;
    --color-neutral-light: #F0F4F8;
    --color-neutral-pale: #D0D4DB;
    --color-accent: #C2B280;
    --spacing-unit: 8px;
    --max-width: 1440px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--color-primary);
    background-color: var(--color-neutral-light);
    line-height: 1.6;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: calc(var(--spacing-unit) * 6) 0 calc(var(--spacing-unit) * 4) 0;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: calc(var(--spacing-unit) * 5) 0 calc(var(--spacing-unit) * 3) 0;
    line-height: 1.3;
}

h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: calc(var(--spacing-unit) * 4) 0 calc(var(--spacing-unit) * 2) 0;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: calc(var(--spacing-unit) * 3) 0 calc(var(--spacing-unit) * 1.5) 0;
}

p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: #333;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.sticky-header {
    position: sticky;
    top: 0;
    background-color: white;
    box-shadow: 0 2px 8px rgba(46, 64, 87, 0.08);
    z-index: 1000;
}

.navbar {
    padding: calc(var(--spacing-unit) * 2) 0;
}

.navbar-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 3);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 1.5);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.logo-image {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: calc(var(--spacing-unit) * 3);
}

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-primary);
    padding: calc(var(--spacing-unit) * 1) 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
}

.nav-link.active {
    color: var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
}

.main-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section {
    padding: calc(var(--spacing-unit) * 10) calc(var(--spacing-unit) * 3);
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 4);
}

.section-full-width {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: calc(var(--spacing-unit) * 10) calc(var(--spacing-unit) * 3);
}

.section-dark {
    background-color: var(--color-primary);
    color: white;
}

.section-dark h1, .section-dark h2, .section-dark h3 {
    color: white;
}

.section-dark p {
    color: #f5f5f5;
}

.section-light {
    background-color: var(--color-neutral-light);
}

.section-text {
    flex: 1;
    min-width: 300px;
}

.section-image {
    flex: 1;
    min-width: 300px;
}

.section-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(46, 64, 87, 0.1);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 3);
}

.button {
    display: inline-block;
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
    background-color: var(--color-primary);
    color: white;
    border: 2px solid var(--color-primary);
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    margin-top: calc(var(--spacing-unit) * 2);
}

.button:hover {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.button-secondary {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
}

.button-secondary:hover {
    background-color: transparent;
    color: var(--color-secondary);
}

.card {
    background-color: white;
    border: 1px solid var(--color-neutral-pale);
    border-radius: 8px;
    padding: calc(var(--spacing-unit) * 3);
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 15px 35px rgba(46, 64, 87, 0.15);
    transform: translateY(-4px);
}

.grid {
    display: grid;
    gap: calc(var(--spacing-unit) * 3);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.form-group {
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 1);
    color: var(--color-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: calc(var(--spacing-unit) * 1.5);
    border: 1px solid var(--color-neutral-pale);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(194, 178, 128, 0.1);
}

.disclaimer {
    background-color: var(--color-neutral-light);
    border-left: 4px solid var(--color-secondary);
    padding: calc(var(--spacing-unit) * 2.5);
    margin: calc(var(--spacing-unit) * 4) 0;
    border-radius: 4px;
}

.disclaimer h4 {
    color: var(--color-primary);
    margin-top: 0;
}

.footer {
    background-color: var(--color-primary);
    color: white;
    padding: calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 4);
    margin-top: calc(var(--spacing-unit) * 10);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 3);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.footer-section h3, .footer-section h4 {
    color: white;
    margin-top: 0;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.footer-section a {
    color: #ddd;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: calc(var(--spacing-unit) * 3);
    text-align: center;
    font-size: 0.95rem;
    color: #ccc;
}

.text-balance {
    text-wrap: balance;
}

.text-pretty {
    text-wrap: pretty;
}

ul, ol {
    margin: calc(var(--spacing-unit) * 2) 0;
    padding-left: calc(var(--spacing-unit) * 4);
}

li {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .navbar-menu {
        gap: calc(var(--spacing-unit) * 2);
    }

    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .section {
        flex-direction: column;
        padding: calc(var(--spacing-unit) * 6) calc(var(--spacing-unit) * 2);
    }

    .section-text, .section-image {
        flex: none;
        width: 100%;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .grid-3 {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

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