:root {
    --func-bg: #f8f9fa;
    --func-text: #212529;
    --func-primary: #6f42c1; /* Purple */
    --func-secondary: #ffffff;
    --func-accent: #20c997; /* Teal */
    --func-border: #e9ecef;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--func-bg); color: var(--func-text);
    font-family: 'Inter', -apple-system, sans-serif;
    line-height: 1.7; overflow-x: hidden;
}

.func-container { max-width: 1100px; margin: 0 auto; padding: 0 30px;}

/* Header */
.func-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 30px 0; margin-bottom: 50px; border-bottom: 1px solid var(--func-border);
}
.func-brand {
    font-size: 24px; font-weight: 800; color: var(--func-primary);
    display: flex; align-items: center; gap: 10px;
}
.func-brand::before {
    content: '📦'; font-size: 28px;
}
.func-nav { display: flex; gap: 30px; }
.func-nav a {
    font-size: 15px; font-weight: 600; color: #6c757d; text-decoration: none;
    transition: color 0.3s;
}
.func-nav a:hover, .func-nav a.active { color: var(--func-primary); }

/* Hero */
.func-hero {
    text-align: center; margin-bottom: 80px; padding: 60px 20px;
    background: var(--func-secondary); border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); border: 1px solid var(--func-border);
}
.func-hero h1 {
    font-size: 44px; color: #212529; margin-bottom: 20px; font-weight: 800;
}
.func-hero p { font-size: 18px; color: #495057; margin-bottom: 40px; max-width: 700px; margin-left: auto; margin-right: auto;}

.btn-func {
    display: inline-block; padding: 15px 35px; font-size: 16px; font-weight: 700;
    color: #fff; background: var(--func-primary); border-radius: 8px;
    text-decoration: none; transition: background 0.3s, transform 0.2s;
}
.btn-func:hover { background: #5a32a3; transform: translateY(-2px);}
.btn-func-alt {
    display: inline-block; padding: 15px 35px; font-size: 16px; font-weight: 700;
    color: var(--func-primary); background: transparent; border: 2px solid var(--func-primary);
    border-radius: 8px; text-decoration: none; transition: background 0.3s; margin-left: 15px;
}
.btn-func-alt:hover { background: rgba(111, 66, 193, 0.05); }

/* Features Layout */
.func-section { margin-bottom: 100px; }
.func-section h2 { font-size: 32px; text-align: center; margin-bottom: 60px; color: #212529;}

.f-block {
    display: flex; align-items: center; justify-content: space-between; gap: 50px;
    margin-bottom: 60px; padding: 40px; background: var(--func-secondary);
    border-radius: 16px; box-shadow: 0 5px 15px rgba(0,0,0,0.02);
}
.f-block:nth-child(even) { flex-direction: row-reverse; }
.f-text { flex: 1; }
.f-text h3 { font-size: 24px; color: var(--func-primary); margin-bottom: 20px;}
.f-text p { font-size: 16px; color: #495057; margin-bottom: 15px;}
.f-text ul { list-style: none; margin-top: 20px;}
.f-text li { margin-bottom: 10px; display: flex; align-items: center; gap: 10px; color: #495057;}
.f-text li::before { content: '✓'; color: var(--func-accent); font-weight: bold;}

.f-visual {
    flex: 1; height: 250px; background: #e9ecef; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 48px; color: #adb5bd;
}

/* FAQ */
.func-faq { margin-bottom: 100px; }
.func-faq h2 { font-size: 32px; text-align: center; margin-bottom: 50px; color: #212529;}
.f-faq-item {
    background: var(--func-secondary); padding: 30px; border-radius: 12px;
    margin-bottom: 20px; border-left: 4px solid var(--func-primary);
    box-shadow: 0 5px 15px rgba(0,0,0,0.02);
}
.f-fq { font-size: 18px; font-weight: 700; color: #212529; margin-bottom: 10px;}
.f-fa { font-size: 15px; color: #495057;}

footer {
    text-align: center; padding: 40px 0; color: #6c757d; font-size: 14px;
    border-top: 1px solid var(--func-border);
}

@media (max-width: 900px) {
    .f-block, .f-block:nth-child(even) { flex-direction: column; text-align: center; }
    .f-text ul { text-align: left; display: inline-block;}
}
@media (max-width: 768px) {
    .func-header { flex-direction: column; gap: 20px; }
    .btn-func, .btn-func-alt { display: block; margin: 10px auto; width: 80%;}
}