:root {
    /* Colors */
    --color-navy: #1a2b3c;
    --color-sand: #f4f1ea;
    --color-beige: #e5e0d3;
    --color-white: #ffffff;
    --color-gray-dark: #333333;
    --color-gray-medium: #666666;
    --color-gray-light: #f9f9f9;
    --color-accent: #c5a059; /* Gold/Sand accent */

    /* Typography */
    --font-serif: "Georgia", "Times New Roman", serif;
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Borders */
    --border-radius: 4px;
    --border-light: 1px solid rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--color-navy);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: normal;
    margin-bottom: var(--spacing-sm);
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.7;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-lg) 0;
}

/* Header & Navigation */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: var(--border-light);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 60px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.75rem var(--spacing-md);
    position: relative;
}

.logo {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-navy);
    display: flex;
    align-items: center;
}

.logo span {
    font-weight: 300;
    margin-left: 0.5rem;
}

.nav ul {
    display: flex;
    gap: var(--spacing-md);
}

.nav a {
    font-size: 0.9rem;
    text-transform: lowercase;
    letter-spacing: 0.05em;
}

.nav .btn-request {
    background: var(--color-beige);
    padding: 0.5rem 1rem;
    border-radius: 2px;
}

/* Hamburger toggle button */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    flex-shrink: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-navy);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.is-active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

@media (max-width: 767px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        padding: var(--spacing-sm) var(--spacing-md);
        gap: var(--spacing-sm);
        border-top: var(--border-light);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        z-index: 999;
    }

    .nav ul.is-open {
        display: flex;
    }

    .nav {
        position: static;
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }
}

/* Footer */
.footer {
    background: var(--color-sand);
    padding: var(--spacing-lg) 0;
    border-top: var(--border-light);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-bottom {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: var(--border-light);
    font-size: 0.8rem;
    color: var(--color-gray-medium);
}