:root {
    --primary: #059669;
    --primary-hover: #047857;
    --text-main: #0f172a;
    --text-muted: #475569;
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* Header & Navigation */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 5rem;
}

.logo { font-size: 1.5rem; font-weight: 800; text-decoration: none; color: var(--text-main); }
.logo span { color: var(--primary); }

.nav-links { display: flex; gap: 1.5rem; list-style: none; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text-muted); font-weight: 500; transition: var(--transition); font-size: 0.95rem; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }

/* Dropdown Navigation */
.dropdown { position: relative; }

.dropdown-content {
    display: none;
    position: absolute;
    background: white;
    min-width: 220px;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    top: 100%;
    left: 0;
    padding: 0.5rem 0;
    z-index: 1100;
}

.dropdown-content a {
    padding: 0.75rem 1.25rem;
    display: block;
    color: var(--text-main);
    font-size: 0.95rem;
    text-decoration: none;
}

.dropdown-content a:hover { background: #f8fafc; color: var(--primary); }
.dropdown:hover .dropdown-content { display: block; }

/* Sections */
.hero { text-align: center; padding: 6rem 0; background: linear-gradient(#f8fafc 0%, #e2e8f0 100%); }
.section { padding: 5rem 0; }
.card { background: white; padding: 2.5rem; border-radius: var(--radius); border: 1px solid #e2e8f0; box-shadow: 0 4px 6px rgba(0,0,0,0.05); }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.875rem 1.75rem; border-radius: 8px; font-weight: 600; text-decoration: none; transition: var(--transition); cursor: pointer; border: none; font-size: 1rem; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); }
.btn-secondary { background: #e2e8f0; color: var(--text-main); }

.footer { background: var(--text-main); color: white; padding: 4rem 0 2rem; margin-top: auto; text-align: center; }