:root {
    --paper-bg: #f4ecd8;
    --paper-text: #3e2723;
    --paper-primary: #5d4037;
    --paper-secondary: #8d6e63;
    --paper-accent: #d7ccc8;
    --paper-surface: #efebe9;
    --font-main: 'Courier New', Courier, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--paper-bg); color: var(--paper-text);
    font-family: var(--font-main);
    line-height: 1.6;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" opacity="0.05"><rect width="100" height="100" fill="none"/><path d="M0 0 L100 100 M100 0 L0 100" stroke="%233e2723" stroke-width="0.5"/></svg>');
}
a { text-decoration: none; color: inherit; }

.paper-container { max-width: 900px; margin: 40px auto; padding: 40px; background: rgba(255,255,255,0.3); box-shadow: 0 0 20px rgba(0,0,0,0.05); position: relative;}
.paper-container::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    box-shadow: inset 0 0 50px rgba(93,64,55,0.1); pointer-events: none;
}

/* Header */
.paper-header {
    display: flex; justify-content: space-between; align-items: flex-end;
    padding-bottom: 20px; border-bottom: 2px solid var(--paper-primary);
    margin-bottom: 40px;
}
.paper-brand {
    font-size: 36px; font-weight: bold; color: var(--paper-primary);
    text-transform: uppercase; letter-spacing: 3px;
}
.paper-nav { display: flex; gap: 20px; }
.paper-nav a {
    font-size: 16px; color: var(--paper-secondary); font-weight: bold;
    text-transform: uppercase; border: 1px solid transparent; padding: 5px 10px;
}
.paper-nav a:hover, .paper-nav a.active { border-color: var(--paper-secondary); color: var(--paper-primary); }

/* Hero */
.paper-hero {
    text-align: center; padding: 40px 0; margin-bottom: 60px;
    border: 1px dashed var(--paper-secondary); background: rgba(255,255,255,0.5);
}
.paper-hero h1 {
    font-size: 42px; margin-bottom: 20px; color: var(--paper-primary);
    text-transform: uppercase; letter-spacing: 2px;
}
.paper-hero p { font-size: 18px; margin-bottom: 30px; max-width: 700px; margin-left: auto; margin-right: auto;}
.btn-paper {
    display: inline-block; padding: 10px 30px; font-size: 18px; font-weight: bold;
    color: var(--paper-bg); background: var(--paper-primary); text-transform: uppercase;
    border: 2px solid var(--paper-primary); transition: all 0.2s; margin: 0 10px;
}
.btn-paper:hover { background: var(--paper-text); border-color: var(--paper-text); }
.btn-paper-alt {
    display: inline-block; padding: 10px 30px; font-size: 18px; font-weight: bold;
    color: var(--paper-primary); background: transparent; text-transform: uppercase;
    border: 2px solid var(--paper-primary); transition: all 0.2s; margin: 0 10px;
}
.btn-paper-alt:hover { background: var(--paper-accent); }

/* Stats */
.paper-stats {
    display: flex; justify-content: space-between; margin-bottom: 60px;
    border-top: 1px solid var(--paper-primary); border-bottom: 1px solid var(--paper-primary);
    padding: 20px 0;
}
.ps-item { text-align: center; flex: 1; border-right: 1px dashed var(--paper-secondary);}
.ps-item:last-child { border-right: none; }
.ps-val { font-size: 32px; font-weight: bold; color: var(--paper-primary); }
.ps-lbl { font-size: 14px; text-transform: uppercase; letter-spacing: 1px; color: var(--paper-secondary);}

/* Grid */
.paper-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; margin-bottom: 60px;}
.pg-card {
    padding: 30px; border: 1px solid var(--paper-secondary); background: var(--paper-surface);
    position: relative;
}
.pg-card::before {
    content: ''; position: absolute; top: 5px; left: 5px; right: -5px; bottom: -5px;
    border: 1px solid var(--paper-accent); z-index: -1;
}
.pg-card h3 { font-size: 22px; margin-bottom: 15px; color: var(--paper-primary); text-transform: uppercase; border-bottom: 1px solid var(--paper-accent); padding-bottom: 10px;}
.pg-card p { font-size: 16px; text-align: justify;}

/* Nodes */
.paper-nodes { margin-bottom: 60px; padding: 30px; border: 2px solid var(--paper-primary);}
.paper-nodes h2 { font-size: 26px; margin-bottom: 20px; text-transform: uppercase; text-align: center; border-bottom: 2px solid var(--paper-primary); padding-bottom: 10px;}
.node-list { display: flex; flex-direction: column; gap: 10px;}
.n-paper {
    display: flex; justify-content: space-between; padding: 10px; border-bottom: 1px dashed var(--paper-accent);
    font-size: 16px; font-weight: bold;
}
.n-paper span { color: var(--paper-secondary); font-weight: normal;}

/* FAQ */
.paper-faq { margin-bottom: 60px;}
.paper-faq h2 { font-size: 26px; margin-bottom: 30px; text-transform: uppercase; text-align: center;}
.faq-item { margin-bottom: 20px; padding: 20px; background: rgba(255,255,255,0.5); border-left: 5px solid var(--paper-primary);}
.fq-q { font-size: 18px; font-weight: bold; margin-bottom: 10px; color: var(--paper-primary);}
.fq-a { font-size: 16px; text-align: justify;}

footer { text-align: center; padding-top: 20px; border-top: 2px solid var(--paper-primary); font-size: 14px; font-weight: bold; text-transform: uppercase;}

@media (max-width: 768px) {
    .paper-header { flex-direction: column; align-items: center; gap: 15px; }
    .paper-stats { flex-direction: column; gap: 20px; border: none; padding: 0;}
    .ps-item { border-right: none; border-bottom: 1px dashed var(--paper-secondary); padding-bottom: 20px;}
    .ps-item:last-child { border-bottom: none; }
    .paper-grid { grid-template-columns: 1fr; }
    .btn-paper, .btn-paper-alt { display: block; margin: 10px auto; width: 90%;}
}