:root {
    --sigma-dark: #1A5954;
    --sigma-teal: #00A99D;
    --sigma-light: #e0f2f1;
    --sigma-bg: #f8fafa;
    --sigma-white: #ffffff;
    --sigma-text: #333;
    --sigma-muted: #666;
    --sigma-blue: #1565c0;
    --sigma-purple: #7b1fa2;
    --sigma-orange: #ff8f00;
    --sigma-red: #e53935;
    --sigma-green: #2e7d32;
    --radius: 16px;
    --shadow: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 24px rgba(0,0,0,0.15);
}
.vaios-page { background: var(--sigma-bg); }
.vaios-content { max-width: 1100px; margin: 0 auto; padding: 40px 20px 60px; }

/* Hero */
.vaios-hero {
    text-align: center;
    padding: 60px 20px 40px;
    background: linear-gradient(135deg, #1A5954 0%, #00A99D 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.vaios-hero::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}
.vaios-hero .badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    padding: 5px 18px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: 16px;
}
.vaios-hero h1 { font-size: 2.8em; font-weight: 700; line-height: 1.15; margin-bottom: 8px; }
.vaios-hero h1 small { display: block; font-size: 0.35em; font-weight: 400; color: rgba(255,255,255,0.7); margin-top: 4px; }
.vaios-hero p { font-size: 1.15rem; color: rgba(255,255,255,0.9); max-width: 650px; margin: 0 auto; line-height: 1.5; }

/* Section titles */
.section-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--sigma-dark);
    text-align: center;
    margin: 48px 0 24px;
}
.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: -12px auto 28px;
    font-size: 0.95rem;
    color: var(--sigma-muted);
    line-height: 1.5;
}

/* Cards */
.card-grid { display: grid; gap: 20px; margin-bottom: 40px; }
.card-grid-2 { grid-template-columns: 1fr 1fr; }
.card-grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card-grid-5 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
@media (max-width: 768px) {
    .card-grid-2 { grid-template-columns: 1fr; }
    .vaios-hero h1 { font-size: 2em; }
}

.sigma-card {
    background: var(--sigma-white);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}
.sigma-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.sigma-card h3 { font-size: 1.1rem; font-weight: 600; color: var(--sigma-dark); margin-bottom: 6px; }
.sigma-card p { font-size: 0.9rem; color: var(--sigma-muted); line-height: 1.5; }
.sigma-card .card-icon {
    width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
    font-size: 1.4em; margin-bottom: 14px;
}

/* Highlight box */
.highlight-box {
    background: var(--sigma-white);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 18px;
    align-items: flex-start;
    margin-bottom: 28px;
}
.highlight-box.green { border-left: 5px solid var(--sigma-teal); }
.highlight-box.orange { border-left: 5px solid var(--sigma-orange); }
.highlight-box.blue { border-left: 5px solid var(--sigma-blue); }
.highlight-box.purple { border-left: 5px solid var(--sigma-purple); }
.highlight-box .icon { font-size: 2em; flex-shrink: 0; }
.highlight-box h3 { font-size: 1.1rem; font-weight: 600; color: var(--sigma-dark); margin-bottom: 4px; }
.highlight-box p { font-size: 0.9rem; color: var(--sigma-muted); line-height: 1.5; margin-bottom: 6px; }

.example-box {
    background: var(--sigma-bg);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 0.88rem;
    margin-top: 10px;
}
.example-box .strike { text-decoration: line-through; color: var(--sigma-red); }
.example-box .safe { color: var(--sigma-green); font-weight: 600; }

/* Flow diagram */
.flow-card {
    background: var(--sigma-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.flow-header {
    background: var(--sigma-dark);
    color: #fff;
    padding: 14px 20px;
    font-weight: 600;
    font-size: 0.95rem;
}
.flow-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.flow-step { display: flex; align-items: center; gap: 12px; }
.flow-arrow { text-align: center; font-size: 1.2em; color: #bbb; padding-left: 20px; }
.flow-label {
    width: 30px; height: 30px; border-radius: 8px; display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.82em; flex-shrink: 0; color: #fff;
}
.flow-box { flex: 1; border-radius: 10px; padding: 10px 14px; font-size: 0.88em; line-height: 1.4; }
.flow-box.input { background: #fff8e1; }
.flow-box.scan { background: #e8f5e9; }
.flow-box.clean { background: #e3f2fd; }
.flow-box.ai { background: #f3e5f5; }
.flow-box.restore { background: #fff8e1; }
.flow-result {
    margin-top: 8px; padding: 12px; background: #e8f5e9; border-radius: 10px;
    font-size: 0.88em; text-align: center; font-weight: 600; color: var(--sigma-dark);
}

/* Steps */
.steps-card {
    background: var(--sigma-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 24px;
}
.steps-card h2 { font-size: 1.25rem; font-weight: 700; color: var(--sigma-dark); margin-bottom: 20px; }
.step { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.step:last-child { margin-bottom: 0; }
.step-icon {
    width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
    font-size: 1em; flex-shrink: 0; color: #fff;
}
.step h4 { font-size: 0.95rem; font-weight: 600; color: var(--sigma-dark); margin-bottom: 2px; }
.step p { font-size: 0.88rem; color: var(--sigma-muted); line-height: 1.4; }

/* Detect grid */
.detect-item {
    background: var(--sigma-white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 16px;
    text-align: center;
    transition: transform 0.2s;
}
.detect-item:hover { transform: translateY(-2px); }
.detect-item .detect-icon { font-size: 1.5em; margin-bottom: 6px; }
.detect-item h4 { font-size: 0.9rem; font-weight: 600; color: var(--sigma-dark); }
.detect-item p { font-size: 0.78rem; color: #999; }

/* Level cards */
.level-card {
    background: var(--sigma-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 24px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.level-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.level-card .tag {
    display: inline-block; font-size: 0.78rem; font-weight: 600; padding: 3px 12px;
    border-radius: 16px; color: #fff; margin-bottom: 12px;
}
.level-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--sigma-dark); margin-bottom: 6px; }
.level-card .subtitle { font-size: 0.9rem; color: var(--sigma-muted); line-height: 1.4; margin-bottom: 14px; }
.level-card ul { list-style: none; padding: 0; }
.level-card li { font-size: 0.88rem; padding: 4px 0; color: #555; }
.level-card li::before { content: "\f058"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--sigma-teal); margin-right: 8px; font-size: 0.85em; }
.level-card .ideal {
    margin-top: 14px; padding: 12px; background: var(--sigma-bg); border-radius: 10px;
    font-size: 0.85rem; color: var(--sigma-dark);
}
.level-card .ideal strong { color: var(--sigma-teal); }
.level-card .price { font-size: 1.8em; font-weight: 700; margin: 8px 0; }
.level-card .price small { font-size: 0.4em; color: var(--sigma-muted); font-weight: 400; }

/* NIS2 grid */
.nis2-item {
    background: var(--sigma-white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 18px 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.nis2-item .icon { font-size: 1.4em; flex-shrink: 0; }
.nis2-item h4 { font-size: 0.9rem; font-weight: 600; color: var(--sigma-dark); margin-bottom: 2px; }
.nis2-item p { font-size: 0.8rem; color: var(--sigma-muted); line-height: 1.4; }

/* Demo boxes */
.demo-box {
    background: var(--sigma-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.demo-box .icon { font-size: 1.8em; flex-shrink: 0; }
.demo-box h3 { font-size: 1.05rem; font-weight: 600; color: var(--sigma-dark); margin-bottom: 4px; }
.demo-box p { font-size: 0.88rem; color: var(--sigma-muted); line-height: 1.5; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-primary { background: var(--sigma-dark); color: #fff; }
.btn-teal { background: var(--sigma-teal); color: #fff; }
.btn-blue { background: var(--sigma-blue); color: #fff; }
.btn-purple { background: var(--sigma-purple); color: #fff; }
.btn-orange { background: var(--sigma-orange); color: #fff; }

/* Footer */
.vaios-footer {
    text-align: center;
    padding: 32px 20px;
    margin-top: 20px;
}
.vaios-footer .btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.vaios-footer .sub { font-size: 0.82rem; color: var(--sigma-muted); }