:root {
    --art-bg: #fcfcfc;
    --art-text: #1a1a1a;
    --art-primary: #000000;
    --art-secondary: #e6e6e6;
    --art-accent: #d32f2f; /* Gallery Red */
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--art-bg); color: var(--art-text);
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.8; overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }

.art-container { max-width: 1400px; margin: 0 auto; padding: 0 40px;}

/* Header */
.art-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 40px 0; margin-bottom: 80px;
}
.art-brand {
    font-size: 20px; font-weight: 700; letter-spacing: 4px; text-transform: uppercase;
    position: relative; display: inline-block;
}
.art-brand::after {
    content: ''; position: absolute; bottom: -10px; left: 0; width: 30px; height: 2px;
    background: var(--art-accent);
}
.art-nav { display: flex; gap: 40px; }
.art-nav a {
    font-size: 13px; font-weight: 500; color: #888; text-transform: uppercase;
    letter-spacing: 2px; transition: color 0.3s;
}
.art-nav a:hover, .art-nav a.active { color: var(--art-primary); }

/* Hero */
.art-hero {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 120px;
}
.ah-content { flex: 1; padding-right: 80px;}
.ah-content h1 {
    font-size: 64px; font-weight: 300; margin-bottom: 30px; color: var(--art-primary);
    line-height: 1.1; letter-spacing: -1px;
}
.ah-content p { font-size: 18px; color: #666; margin-bottom: 50px; max-width: 500px;}

.ah-visual {
    flex: 1; display: flex; justify-content: flex-end;
}
.art-frame {
    width: 100%; max-width: 500px; height: 600px; background: var(--art-secondary);
    position: relative; overflow: hidden;
}
.art-frame::before {
    content: ''; position: absolute; top: 10%; left: -20%; width: 140%; height: 80%;
    background: linear-gradient(45deg, transparent 40%, rgba(211, 47, 47, 0.1) 50%, transparent 60%);
    transform: rotate(-15deg);
}
.art-frame::after {
    content: ''; position: absolute; bottom: 40px; right: 40px; width: 100px; height: 100px;
    border: 2px solid var(--art-primary); border-radius: 50%;
}

.btn-art {
    display: inline-block; padding: 18px 40px; font-size: 14px; font-weight: 600;
    color: #fff; background: var(--art-primary); text-transform: uppercase;
    letter-spacing: 2px; transition: all 0.3s; margin-right: 20px;
}
.btn-art:hover { background: var(--art-accent); }
.btn-art-alt {
    display: inline-block; padding: 18px 40px; font-size: 14px; font-weight: 600;
    color: var(--art-primary); background: transparent; text-transform: uppercase;
    letter-spacing: 2px; border: 1px solid var(--art-primary); transition: all 0.3s;
}
.btn-art-alt:hover { background: var(--art-primary); color: #fff; }

/* Stats */
.art-stats {
    display: flex; gap: 40px; margin-bottom: 120px; border-top: 1px solid var(--art-secondary); padding-top: 60px;
}
.as-item { flex: 1; }
.as-val { font-size: 48px; font-weight: 300; color: var(--art-primary); margin-bottom: 10px; line-height: 1;}
.as-lbl { font-size: 12px; color: #888; text-transform: uppercase; letter-spacing: 2px;}

/* Features */
.art-features { margin-bottom: 120px;}
.af-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 60px;}
.af-card {
    padding-left: 40px; border-left: 1px solid var(--art-secondary);
    position: relative; transition: border-color 0.3s;
}
.af-card:hover { border-color: var(--art-accent); }
.af-card::before {
    content: ''; position: absolute; top: 10px; left: -4px; width: 7px; height: 7px;
    background: var(--art-bg); border: 1px solid var(--art-primary); border-radius: 50%;
}
.af-card h3 { font-size: 24px; font-weight: 600; margin-bottom: 20px; color: var(--art-primary);}
.af-card p { font-size: 16px; color: #666;}

/* Nodes */
.art-nodes { margin-bottom: 120px; display: flex; align-items: flex-start;}
.an-title { flex: 0 0 300px; }
.an-title h2 { font-size: 36px; font-weight: 300; line-height: 1.2;}
.an-list { flex: 1; display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px;}
.an-item {
    font-size: 18px; color: var(--art-primary); padding-bottom: 15px;
    border-bottom: 1px solid var(--art-secondary);
}

/* FAQ */
.art-faq { margin-bottom: 120px;}
.art-faq h2 { font-size: 36px; font-weight: 300; margin-bottom: 60px; text-align: center;}
.a-faq-list { max-width: 800px; margin: 0 auto;}
.a-faq-item { margin-bottom: 40px; }
.a-fq { font-size: 20px; font-weight: 600; color: var(--art-primary); margin-bottom: 15px;}
.a-fa { font-size: 16px; color: #666;}

footer { text-align: center; padding: 60px 0; border-top: 1px solid var(--art-secondary); color: #999; font-size: 12px; letter-spacing: 2px; text-transform: uppercase;}

@media (max-width: 900px) {
    .art-header { flex-direction: column; gap: 30px; align-items: flex-start;}
    .art-hero { flex-direction: column; }
    .ah-content { padding-right: 0; margin-bottom: 60px;}
    .art-frame { height: 400px; }
    .art-stats { flex-direction: column; gap: 40px;}
    .af-grid { grid-template-columns: 1fr; }
    .art-nodes { flex-direction: column; }
    .an-title { margin-bottom: 40px; }
    .an-list { grid-template-columns: 1fr; width: 100%;}
    .btn-art, .btn-art-alt { display: block; margin: 15px 0; width: 100%; text-align: center;}
}