:root {
    --bg-body: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #0f172a;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-light: #94a3b8;
    --accent-color: #000000;
    --accent-highlight: #d4af37;
    --border-light: #e2e8f0;
    --container-width: 1100px;
    --spacing-unit: 100px;
    --font-display: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1, h2 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h1 { font-size: clamp(3rem, 5vw, 4.5rem); margin-bottom: 1.5rem; }
h2 { font-size: 1.3rem; margin-top: 3rem; margin-bottom: 1rem; }

p { color: var(--text-secondary); margin-bottom: 1.2rem; max-width: 900px; }
ul { margin-left: 20px; margin-bottom: 1.5rem; }
li { margin-bottom: 0.6rem; color: var(--text-secondary); }

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--spacing-unit) 0;
    border-bottom: 1px solid var(--border-light);
}

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

.grid { display: grid; gap: 40px; }
.grid-2 { grid-template-columns: 1fr 1fr; }

/* NAV */
nav {
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--border-light);
}

.nav-logo {
    font-weight: 700;
    font-family: var(--font-display);
    font-size: 1.2rem;
}

.nav-links a {
    margin-left: 32px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-links a:hover { color: var(--accent-color); }
.nav-links a.btn-primary,
.nav-links a.btn-primary:visited,
.nav-links a.btn-primary:active,
.nav-links a.btn-primary:hover { color: #fff !important; }

.btn {
    display: inline-block;
    padding: 14px 28px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 4px;
    cursor: pointer;
    transition: 0.2s ease;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
    border: 1px solid var(--accent-color);
    text-decoration-color: #333;
}
a.btn-primary, a.btn-primary:visited, a.btn-primary:active, .nav-links a.btn-primary { color: #fff; }

.btn-primary:hover {
    background-color: #333;
    border-color: #333;
    transform: translateY(-1px);
    color: #fff;
}

@media (max-width: 768px) {
    .grid-2 { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .section { padding: 60px 0; }
}