:root {
    --cust-bg: #f8f9fa;
    --cust-text: #212529;
    --cust-primary: #007bff; /* Corporate Blue */
    --cust-secondary: #ffffff;
    --cust-accent: #ffc107; /* Highlight Yellow */
    --cust-border: #dee2e6;
}

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

.cust-container { max-width: 1200px; margin: 0 auto; padding: 0 20px;}

/* Header */
.cust-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 0; margin-bottom: 40px; border-bottom: 1px solid var(--cust-border);
    background: var(--cust-secondary); position: sticky; top: 0; z-index: 100;
}
.cust-brand {
    font-size: 24px; font-weight: bold; color: var(--cust-primary);
    display: flex; align-items: center; gap: 10px; margin-left: 20px;
}
.cust-brand::before {
    content: '🏢'; font-size: 24px;
}
.cust-nav { display: flex; gap: 30px; margin-right: 20px;}
.cust-nav a {
    font-size: 15px; font-weight: 500; color: #495057; text-decoration: none;
    transition: color 0.3s;
}
.cust-nav a:hover, .cust-nav a.active { color: var(--cust-primary); }

/* Hero */
.cust-hero {
    display: flex; align-items: center; justify-content: space-between; gap: 50px;
    margin-bottom: 80px; padding: 60px 40px; background: var(--cust-secondary);
    border-radius: 12px; box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.ch-content { flex: 1; }
.ch-content h1 {
    font-size: 42px; font-weight: bold; margin-bottom: 20px; color: #343a40;
    line-height: 1.2;
}
.ch-content p { font-size: 18px; color: #6c757d; margin-bottom: 30px;}

.ch-visual {
    flex: 1; height: 300px; background: var(--cust-bg); border-radius: 8px;
    display: flex; justify-content: center; align-items: center;
    border: 2px dashed #ced4da; position: relative;
}
.ch-visual::after {
    content: 'Enterprise Solution Architecture'; color: #adb5bd; font-weight: bold;
}

.btn-cust {
    display: inline-block; padding: 14px 32px; font-size: 16px; font-weight: bold;
    color: #fff; background: var(--cust-primary); border-radius: 4px;
    transition: all 0.3s; margin-right: 15px; text-decoration: none;
}
.btn-cust:hover { background: #0056b3; }
.btn-cust-alt {
    display: inline-block; padding: 14px 32px; font-size: 16px; font-weight: bold;
    color: var(--cust-primary); background: transparent; border: 2px solid var(--cust-primary);
    border-radius: 4px; transition: all 0.3s; text-decoration: none;
}
.btn-cust-alt:hover { background: rgba(0,123,255,0.05); }

/* Stats */
.cust-stats {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 80px;
}
.cs-item {
    background: var(--cust-secondary); padding: 25px; border-radius: 8px;
    text-align: center; border: 1px solid var(--cust-border);
}
.cs-val { font-size: 32px; font-weight: bold; color: var(--cust-primary); margin-bottom: 5px;}
.cs-lbl { font-size: 13px; color: #6c757d; font-weight: 500;}

/* Features */
.cust-features { margin-bottom: 80px;}
.cust-features h2 { font-size: 28px; text-align: center; margin-bottom: 40px; color: #343a40;}
.cf-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px;}
.cf-card {
    background: var(--cust-secondary); padding: 30px; border-radius: 8px;
    border-top: 4px solid var(--cust-primary); box-shadow: 0 5px 15px rgba(0,0,0,0.03);
}
.cf-card h3 { font-size: 20px; margin-bottom: 15px; color: #495057;}
.cf-card p { font-size: 15px; color: #6c757d;}

/* Nodes */
.cust-nodes { margin-bottom: 80px; background: var(--cust-secondary); padding: 40px; border-radius: 12px;}
.cust-nodes h2 { font-size: 28px; margin-bottom: 30px; color: #343a40;}
.cn-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px;}
.cn-item {
    padding: 15px 20px; background: var(--cust-bg); border-radius: 4px;
    display: flex; justify-content: space-between; align-items: center;
    border: 1px solid var(--cust-border);
}
.cn-status { display: inline-block; padding: 4px 10px; background: #e2e3e5; color: #495057; font-size: 12px; border-radius: 4px; font-weight: bold;}

/* FAQ */
.cust-faq { margin-bottom: 100px;}
.cust-faq h2 { font-size: 28px; text-align: center; margin-bottom: 40px; color: #343a40;}
.c-faq-item {
    background: var(--cust-secondary); padding: 25px; border-radius: 8px;
    margin-bottom: 15px; border-left: 4px solid var(--cust-accent);
}
.c-fq { font-size: 18px; font-weight: bold; margin-bottom: 10px; color: #495057;}
.c-fa { font-size: 15px; color: #6c757d;}

footer {
    text-align: center; padding: 30px 0; color: #adb5bd; font-size: 14px;
    border-top: 1px solid var(--cust-border);
}

@media (max-width: 900px) {
    .cust-hero { flex-direction: column; text-align: center; padding: 40px 20px;}
    .ch-visual { width: 100%; }
    .cust-stats { grid-template-columns: repeat(2, 1fr); }
    .cf-grid { grid-template-columns: 1fr; }
    .cn-list { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .cust-header { flex-direction: column; gap: 15px; padding: 15px 0;}
    .cust-brand { margin-left: 0; }
    .cust-nav { margin-right: 0; flex-wrap: wrap; justify-content: center;}
    .btn-cust, .btn-cust-alt { display: block; margin: 10px auto; width: 100%;}
}