:root {
    --func-bg: #fdfdfd;
    --func-text: #333333;
    --func-primary: #8e44ad; /* Deep Purple */
    --func-secondary: #1abc9c; /* Teal */
    --func-card: #ffffff;
    --func-border: #e0e0e0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--func-bg); color: var(--func-text);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, 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: 25px 0; margin-bottom: 50px; border-bottom: 1px solid var(--func-border);
}
.func-brand {
    font-size: 24px; font-weight: bold; color: var(--func-primary);
    display: flex; align-items: center; gap: 10px;
}
.func-brand::before {
    content: '⚙️'; font-size: 26px;
}
.func-nav { display: flex; gap: 30px; }
.func-nav a {
    color: #555; text-decoration: none; font-size: 15px; font-weight: 500;
    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: linear-gradient(135deg, rgba(142, 68, 173, 0.05) 0%, rgba(26, 188, 156, 0.05) 100%);
    border-radius: 20px;
}
.func-hero h1 { font-size: 42px; color: #222; margin-bottom: 20px; }
.func-hero p { font-size: 18px; color: #666; max-width: 700px; margin: 0 auto 40px;}

.btn-func {
    display: inline-block; padding: 15px 40px; font-size: 16px; font-weight: bold;
    color: #fff; background: var(--func-primary); border-radius: 8px;
    text-decoration: none; transition: background 0.3s, transform 0.2s;
}
.btn-func:hover { background: #732d91; transform: translateY(-2px); }

/* Feature Details */
.func-details { margin-bottom: 100px; }
.f-block {
    display: flex; align-items: center; gap: 50px; margin-bottom: 80px;
}
.f-block:nth-child(even) { flex-direction: row-reverse; }
.f-content { flex: 1; }
.f-content h3 { font-size: 28px; color: var(--func-primary); margin-bottom: 20px;}
.f-content p { font-size: 16px; color: #555; margin-bottom: 20px;}
.f-list { list-style: none; }
.f-list li {
    position: relative; padding-left: 30px; margin-bottom: 10px; color: #444;
}
.f-list li::before {
    content: '✓'; position: absolute; left: 0; color: var(--func-secondary); font-weight: bold;
}
.f-visual {
    flex: 1; background: var(--func-card); height: 300px; border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08); border: 1px solid var(--func-border);
    display: flex; align-items: center; justify-content: center; font-size: 80px; color: #eee;
}

/* FAQ */
.func-faq { background: #f9f9f9; padding: 60px 0; margin-bottom: 80px; border-top: 1px solid var(--func-border); border-bottom: 1px solid var(--func-border);}
.func-faq h2 { text-align: center; font-size: 30px; margin-bottom: 50px; color: #222;}
.f-faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; max-width: 1000px; margin: 0 auto; padding: 0 30px;}
.f-faq-item { margin-bottom: 20px;}
.f-fq { font-weight: bold; font-size: 18px; color: var(--func-primary); margin-bottom: 10px;}
.f-fa { color: #666; font-size: 15px;}

footer {
    text-align: center; padding: 30px 0; color: #999; font-size: 14px;
}

@media (max-width: 768px) {
    .f-block, .f-block:nth-child(even) { flex-direction: column; text-align: center; gap: 30px;}
    .f-list li { text-align: left; }
    .f-faq-grid { grid-template-columns: 1fr; }
}