:root {
    --line-bg: #1e1e24;
    --line-text: #f5f6fa;
    --line-primary: #ff4757;
    --line-secondary: #2ed573;
    --line-accent: #1e90ff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--line-bg); color: var(--line-text);
    font-family: 'Roboto Mono', monospace;
    line-height: 1.6; overflow-x: hidden;
}

/* Dynamic Lines Background */
.line-bg-effect {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -1;
    background: 
        linear-gradient(90deg, rgba(255, 71, 87, 0.05) 1px, transparent 1px) 0 0 / 50px 50px,
        linear-gradient(rgba(46, 213, 115, 0.05) 1px, transparent 1px) 0 0 / 50px 50px;
}
.line-bg-effect::after {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(45deg, transparent 48%, rgba(30, 144, 255, 0.1) 50%, transparent 52%);
    background-size: 200vw 200vh; animation: scanline 10s linear infinite;
}
@keyframes scanline { 0% { background-position: 0 0; } 100% { background-position: -200vw -200vh; } }

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

/* Header */
.line-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 30px 0; margin-bottom: 60px;
    border-bottom: 2px solid rgba(255,255,255,0.1);
}
.line-brand {
    font-size: 28px; font-weight: 700; color: #fff;
    letter-spacing: 2px; position: relative;
}
.line-brand::before {
    content: ''; position: absolute; left: -15px; top: 50%; transform: translateY(-50%);
    width: 8px; height: 8px; background: var(--line-primary); border-radius: 50%;
    box-shadow: 0 0 10px var(--line-primary);
}
.line-nav { display: flex; gap: 40px; }
.line-nav a {
    font-size: 14px; color: #a4b0be; text-transform: uppercase;
    letter-spacing: 1px; transition: color 0.3s; position: relative;
}
.line-nav a::after {
    content: ''; position: absolute; bottom: -10px; left: 0; width: 100%; height: 2px;
    background: var(--line-accent); transform: scaleX(0); transition: transform 0.3s;
}
.line-nav a:hover, .line-nav a.active { color: #fff; }
.line-nav a:hover::after, .line-nav a.active::after { transform: scaleX(1); }

/* Hero */
.line-hero {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 100px; position: relative;
}
.lh-content { flex: 1; padding-right: 60px;}
.lh-content h1 {
    font-size: 56px; font-weight: 300; margin-bottom: 20px; color: #fff;
    line-height: 1.2; letter-spacing: -1px;
}
.lh-content h1 span { font-weight: 700; color: var(--line-primary); }
.lh-content p { font-size: 18px; color: #a4b0be; margin-bottom: 40px;}

.lh-visual {
    flex: 1; display: flex; justify-content: center; align-items: center;
    position: relative; height: 400px;
}
.data-stream {
    width: 100%; height: 2px; background: rgba(255,255,255,0.1);
    position: absolute; top: 50%; transform: translateY(-50%);
}
.data-packet {
    width: 40px; height: 4px; background: var(--line-secondary);
    position: absolute; top: -1px; left: 0;
    box-shadow: 0 0 15px var(--line-secondary);
    animation: transmit 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.data-stream:nth-child(2) { top: 30%; transform: rotate(15deg); }
.data-stream:nth-child(2) .data-packet { background: var(--line-primary); box-shadow: 0 0 15px var(--line-primary); animation-delay: 0.5s; animation-duration: 2.5s;}
.data-stream:nth-child(3) { top: 70%; transform: rotate(-15deg); }
.data-stream:nth-child(3) .data-packet { background: var(--line-accent); box-shadow: 0 0 15px var(--line-accent); animation-delay: 1s; animation-duration: 1.8s;}
@keyframes transmit { 0% { left: -10%; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { left: 110%; opacity: 0; } }

.btn-line {
    display: inline-block; padding: 15px 35px; font-size: 16px; font-weight: 700;
    color: var(--line-bg); background: #fff; text-transform: uppercase;
    letter-spacing: 1px; transition: all 0.3s; margin-right: 20px;
}
.btn-line:hover { background: var(--line-primary); color: #fff; box-shadow: 0 0 20px rgba(255, 71, 87, 0.4);}
.btn-line-alt {
    display: inline-block; padding: 15px 35px; font-size: 16px; font-weight: 700;
    color: #fff; background: transparent; border: 1px solid rgba(255,255,255,0.3);
    text-transform: uppercase; letter-spacing: 1px; transition: all 0.3s;
}
.btn-line-alt:hover { border-color: #fff; }

/* Stats */
.line-stats {
    display: flex; gap: 40px; margin-bottom: 100px;
}
.ls-item {
    flex: 1; border-left: 2px solid var(--line-accent); padding-left: 20px;
}
.ls-val { font-size: 48px; font-weight: 300; color: #fff; margin-bottom: 5px; line-height: 1;}
.ls-lbl { font-size: 14px; color: #a4b0be; text-transform: uppercase; letter-spacing: 1px;}

/* Features */
.line-features { margin-bottom: 100px;}
.lf-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px;}
.lf-card {
    background: rgba(255,255,255,0.02); padding: 40px; border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s; position: relative; overflow: hidden;
}
.lf-card:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.1); transform: translateY(-5px);}
.lf-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
    background: var(--line-secondary); transform: scaleY(0); transition: transform 0.3s; transform-origin: bottom;
}
.lf-card:hover::before { transform: scaleY(1); }
.lf-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 15px; color: #fff;}
.lf-card p { font-size: 15px; color: #a4b0be;}

/* Nodes */
.line-nodes { margin-bottom: 100px;}
.line-nodes h2 { font-size: 32px; font-weight: 300; margin-bottom: 40px; color: #fff;}
.ln-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;}
.ln-item {
    padding: 20px; background: rgba(0,0,0,0.2); border: 1px solid rgba(255,255,255,0.05);
    font-size: 15px; color: #fff; display: flex; justify-content: space-between; align-items: center;
}
.ln-item span { color: var(--line-secondary); font-size: 12px; letter-spacing: 1px;}

/* FAQ */
.line-faq { margin-bottom: 100px;}
.line-faq h2 { font-size: 32px; font-weight: 300; margin-bottom: 40px; color: #fff;}
.l-faq-item {
    margin-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 20px;
}
.l-fq { font-size: 18px; font-weight: 700; color: var(--line-primary); margin-bottom: 10px;}
.l-fa { font-size: 15px; color: #a4b0be;}

footer { text-align: center; padding: 40px 0; color: #747d8c; font-size: 13px; letter-spacing: 2px; text-transform: uppercase;}

@media (max-width: 900px) {
    .line-header { flex-direction: column; gap: 20px; align-items: flex-start;}
    .line-hero { flex-direction: column; }
    .lh-content { padding-right: 0; margin-bottom: 60px;}
    .lh-visual { width: 100%; height: 200px;}
    .line-stats { flex-direction: column; gap: 30px;}
    .lf-grid { grid-template-columns: 1fr; }
    .ln-list { grid-template-columns: 1fr; }
    .btn-line, .btn-line-alt { display: block; margin: 15px 0; width: 100%; text-align: center;}
}