:root {
    --cross-bg: #ffffff;
    --cross-text: #2c3e50;
    --cross-primary: #e67e22; /* Vibrant Orange */
    --cross-secondary: #ecf0f1;
    --cross-accent: #34495e; /* Dark Blue/Grey */
    --cross-border: #bdc3c7;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--cross-bg); color: var(--cross-text);
    font-family: 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6; overflow-x: hidden;
}

.cross-container { max-width: 1200px; margin: 0 auto; padding: 0 30px;}

/* Header */
.cross-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 30px 0; margin-bottom: 50px;
}
.cross-brand {
    font-size: 28px; font-weight: 800; color: var(--cross-accent);
    text-transform: uppercase; letter-spacing: 1px;
}
.cross-brand span { color: var(--cross-primary); }
.cross-nav { display: flex; gap: 40px; }
.cross-nav a {
    font-size: 16px; font-weight: 600; color: var(--cross-text);
    text-decoration: none; position: relative; padding-bottom: 5px;
}
.cross-nav a::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
    background: var(--cross-primary); transition: width 0.3s;
}
.cross-nav a:hover::after, .cross-nav a.active::after { width: 100%; }

/* Hero */
.cross-hero {
    display: flex; align-items: center; justify-content: space-between; gap: 60px;
    margin-bottom: 100px;
}
.ch-content { flex: 1; }
.ch-content h1 {
    font-size: 48px; font-weight: 800; color: var(--cross-accent);
    line-height: 1.2; margin-bottom: 25px;
}
.ch-content p { font-size: 18px; color: #7f8c8d; margin-bottom: 40px; max-width: 500px;}

.ch-visual {
    flex: 1; position: relative; height: 400px;
}
.ch-visual::before {
    content: ''; position: absolute; top: 20px; left: 20px; width: 100%; height: 100%;
    border: 4px solid var(--cross-secondary); z-index: -1;
}
.ch-visual-inner {
    width: 100%; height: 100%; background: var(--cross-accent);
    display: flex; justify-content: center; align-items: center;
    color: var(--cross-secondary); font-size: 24px; font-weight: bold;
}

.btn-cross {
    display: inline-block; padding: 15px 35px; font-size: 16px; font-weight: bold;
    color: #fff; background: var(--cross-primary); border: none;
    transition: all 0.3s; margin-right: 20px; text-decoration: none;
    box-shadow: 0 4px 6px rgba(230, 126, 34, 0.3);
}
.btn-cross:hover { background: #d35400; transform: translateY(-2px); box-shadow: 0 6px 12px rgba(230, 126, 34, 0.4);}
.btn-cross-alt {
    display: inline-block; padding: 15px 35px; font-size: 16px; font-weight: bold;
    color: var(--cross-accent); background: transparent; border: 2px solid var(--cross-accent);
    transition: all 0.3s; text-decoration: none;
}
.btn-cross-alt:hover { background: var(--cross-accent); color: #fff; }

/* Stats */
.cross-stats {
    display: flex; justify-content: space-between; margin-bottom: 100px;
    padding: 40px 0; border-top: 1px solid var(--cross-border); border-bottom: 1px solid var(--cross-border);
}
.cs-item { text-align: center; flex: 1; border-right: 1px solid var(--cross-border);}
.cs-item:last-child { border-right: none; }
.cs-val { font-size: 40px; font-weight: 800; color: var(--cross-primary); margin-bottom: 10px;}
.cs-lbl { font-size: 14px; font-weight: 600; color: #7f8c8d; text-transform: uppercase;}

/* Features */
.cross-features { margin-bottom: 100px;}
.cross-features h2 { font-size: 36px; color: var(--cross-accent); margin-bottom: 50px; text-align: center;}
.cf-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px;}
.cf-card {
    padding: 40px 30px; background: var(--cross-secondary);
    transition: transform 0.3s, box-shadow 0.3s;
}
.cf-card:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); background: #fff;}
.cf-icon { font-size: 40px; color: var(--cross-primary); margin-bottom: 20px;}
.cf-card h3 { font-size: 22px; color: var(--cross-accent); margin-bottom: 15px;}
.cf-card p { font-size: 15px; color: #7f8c8d;}

/* Nodes */
.cross-nodes { margin-bottom: 100px;}
.cross-nodes h2 { font-size: 36px; color: var(--cross-accent); margin-bottom: 50px; text-align: center;}
.cn-map {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 20px;
}
.cn-region {
    padding: 15px 30px; background: var(--cross-bg); border: 2px solid var(--cross-border);
    color: var(--cross-accent); font-weight: bold; transition: all 0.3s;
}
.cn-region:hover { border-color: var(--cross-primary); color: var(--cross-primary); }

/* FAQ */
.cross-faq { margin-bottom: 120px;}
.cross-faq h2 { font-size: 36px; color: var(--cross-accent); margin-bottom: 50px; text-align: center;}
.c-faq-item {
    margin-bottom: 30px; padding-bottom: 30px; border-bottom: 1px solid var(--cross-border);
}
.c-fq { font-size: 20px; font-weight: bold; color: var(--cross-accent); margin-bottom: 15px;}
.c-fa { font-size: 16px; color: #7f8c8d;}

footer {
    text-align: center; padding: 40px 0; background: var(--cross-accent); color: #fff;
    font-size: 14px;
}

@media (max-width: 900px) {
    .cross-hero { flex-direction: column; text-align: center; }
    .ch-content p { margin: 0 auto 40px; }
    .ch-visual { width: 100%; height: 300px; margin-top: 40px;}
    .cross-stats { flex-wrap: wrap; gap: 30px; border: none; padding: 0;}
    .cs-item { flex: 1 1 40%; border: none; background: var(--cross-secondary); padding: 20px;}
    .cf-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .cross-header { flex-direction: column; gap: 20px; }
    .cross-nav { flex-wrap: wrap; justify-content: center; gap: 20px;}
    .btn-cross, .btn-cross-alt { display: block; margin: 10px auto; width: 80%;}
}