.diff-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
@media (max-width: 768px) { .diff-grid { grid-template-columns: 1fr 1fr; } }
.diff { padding: 1.5rem 1.25rem; text-align: center; transition: all 0.3s; }
.diff:hover { transform: translateY(-4px); border-color: var(--cyan); }
.diff-icon { width: 48px; height: 48px; margin: 0 auto 0.75rem; border-radius: 12px; background: var(--grad-glow); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; box-shadow: 0 6px 20px rgba(0,212,255,0.25); }
.diff-icon svg { width: 24px; height: 24px; fill: var(--bg-1); }
.diff-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.diff-desc { font-size: 0.8125rem; color: var(--ink-2); line-height: 1.45; }

/* Service cards */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; }
.service { padding: 2rem; transition: all 0.4s; position: relative; overflow: hidden; }
.service::before { content: ''; position: absolute; top: var(--my, 50%); left: var(--mx, 50%); width: 320px; height: 320px; background: radial-gradient(circle, rgba(0,212,255,0.15), transparent 70%); transform: translate(-50%,-50%); opacity: 0; transition: opacity 0.4s; pointer-events: none; }
.service:hover::before { opacity: 1; }
.service:hover { transform: translateY(-6px); border-color: rgba(0,212,255,0.3); }
.service-icon { width: 56px; height: 56px; border-radius: 1rem; background: var(--grad-glow); display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem; box-shadow: 0 8px 24px rgba(0,212,255,0.3); position: relative; z-index: 1; }
.service-icon svg { width: 28px; height: 28px; fill: var(--bg-1); }
.service h3 { font-size: 1.375rem; font-weight: 700; margin-bottom: 0.5rem; position: relative; z-index: 1; }
.service p { color: var(--ink-2); line-height: 1.55; position: relative; z-index: 1; font-size: 0.9375rem; }
.service .link { display: inline-block; margin-top: 1rem; color: var(--cyan); font-size: 0.875rem; font-weight: 600; transition: gap 0.2s; }
.service .link::after { content: '→'; margin-left: 0.4rem; transition: margin 0.2s; }
.service:hover .link::after { margin-left: 0.7rem; }

/* Segments bento */
.seg-bento { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 1rem; }
@media (max-width: 900px) { .seg-bento { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .seg-bento { grid-template-columns: 1fr; } }
.seg { padding: 2rem; min-height: 240px; display: flex; flex-direction: column; justify-content: space-between; transition: all 0.4s; }
.seg-hero { grid-row: span 2; min-height: 480px; background: linear-gradient(135deg, rgba(0,212,255,0.18), rgba(14,165,233,0.06)) !important; }
.seg:hover { transform: translateY(-4px); border-color: rgba(0,212,255,0.4); }
.seg .num { font-size: 0.75rem; color: var(--cyan); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 0.5rem; }
.seg h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.seg-hero h3 { font-size: 2.25rem; }
.seg p { color: var(--ink-2); font-size: 0.9375rem; line-height: 1.5; margin-bottom: 1rem; }
.seg .link { color: var(--cyan); font-size: 0.875rem; font-weight: 600; }
.seg .link::after { content: ' →'; }

/* Page content (segment pages) */
.page-hero { padding: 8rem 0 3rem; text-align: center; }
.page-hero .breadcrumb { font-size: 0.8125rem; color: var(--dim); margin-bottom: 1.5rem; }
.page-hero .breadcrumb a { color: var(--cyan); }
.page-hero h1 { font-size: clamp(2.5rem, 7vw, 5.5rem); margin-bottom: 1rem; max-width: 1000px; margin-left: auto; margin-right: auto; }
.page-hero p.lead { font-size: clamp(1.0625rem, 1.6vw, 1.375rem); color: var(--ink-2); max-width: 700px; margin: 0 auto; line-height: 1.5; }

.content-section { padding: 4rem 0; }
.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
@media (max-width: 900px) { .content-grid { grid-template-columns: 1fr; gap: 2rem; } }
.content-grid h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); margin-bottom: 1rem; }
.content-grid p { color: var(--ink-2); font-size: 1.0625rem; line-height: 1.7; margin-bottom: 1rem; }
.content-grid .checklist { list-style: none; padding: 1.5rem 0; }
.content-grid .checklist li { padding: 0.5rem 0; display: flex; gap: 0.75rem; align-items: flex-start; color: var(--ink); }
.content-grid .checklist li::before { content: ''; flex-shrink: 0; width: 20px; height: 20px; border-radius: 50%; background: var(--grad-glow); display: flex; align-items: center; justify-content: center; margin-top: 0.2rem; box-shadow: 0 0 12px rgba(0,212,255,0.3); }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; margin-top: 2rem; }
.feature { padding: 1.5rem; }
.feature h4 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--cyan); }
.feature p { color: var(--ink-2); font-size: 0.9375rem; line-height: 1.5; }

/* Cross-links between pages */
.related-pages { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-top: 3rem; }
.related { padding: 1.25rem; transition: all 0.3s; }
.related:hover { border-color: rgba(0,212,255,0.4); transform: translateY(-2px); }
.related .label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--dim); margin-bottom: 0.4rem; }
.related h4 { font-size: 1.125rem; font-weight: 600; }
.related .arrow { color: var(--cyan); margin-top: 0.5rem; font-size: 0.875rem; }

/* Final CTA */
.final-cta { padding: 6rem 0; text-align: center; position: relative; }
.final-cta::before { content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(0,212,255,0.1), transparent 60%); }
.final-cta h2 { font-size: clamp(2.5rem, 7vw, 5rem); margin-bottom: 1rem; position: relative; }
.final-cta p { color: var(--ink-2); font-size: 1.125rem; max-width: 600px; margin: 0 auto 2rem; position: relative; }
.final-cta .ctas { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; }

/* Footer */
footer { padding: 3rem 0 2rem; border-top: 1px solid var(--line); position: relative; z-index: 5; margin-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--cyan); margin-bottom: 1rem; }
.footer-grid a, .footer-grid p { display: block; color: var(--ink-2); padding: 0.25rem 0; font-size: 0.875rem; transition: color 0.2s; }
.footer-grid a:hover { color: var(--cyan); }
.footer-bottom { padding-top: 2rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: 0.8125rem; color: var(--dim); }

/* Reveals */
.reveal { opacity: 1; transform: translateY(0); transition: opacity 0.9s, transform 0.9s; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Critical/danger accents */
.danger { color: #EF4444; }
.warning { color: #F59E0B; }
.danger-bg { background: rgba(239, 68, 68, 0.1); border-color: rgba(239, 68, 68, 0.3); }
.gradient-danger { background: linear-gradient(135deg, #EF4444, #F59E0B); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.btn-danger { background: linear-gradient(135deg, #EF4444, #DC2626); color: white; box-shadow: 0 8px 32px rgba(239,68,68,0.35); }
.btn-danger:hover { transform: translateY(-2px); box-shadow: 0 12px 48px rgba(239,68,68,0.5); }