.security__subtitle { text-align: center; font-size: 1.15rem; color: var(--muted); margin: 12px 0 0; }
.security__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.security-point { display: flex; flex-direction: column; gap: 8px; padding: 22px 18px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
.security-point__icon { font-size: 1.7rem; line-height: 1; }
.security-point__title { font-size: 1.05rem; }
.security-point__description { font-size: .9rem; line-height: 1.5; color: var(--muted); }
.security__chain-block { margin-top: 44px; }
.security__chain-title { font-size: 1.3rem; text-align: center; }
.security__chain { list-style: none; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px 0; margin: 24px 0 0; padding: 0; }
.security__chain-node { background: var(--card); border: 1px solid var(--border); border-radius: 99px; padding: 10px 18px; font-size: .92rem; font-weight: 600; }
.security__chain-node:not(:last-child)::after { content: '→'; margin-left: 14px; color: var(--accent); font-weight: 700; }
.security__chain-note { text-align: center; color: var(--muted); font-size: .9rem; margin: 18px 0 0; }
@media (max-width: 1000px) { .security__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .security__grid { grid-template-columns: 1fr; gap: 14px; } .security__chain { justify-content: flex-start; } }