/* Security Design page — professional, readable, on-brand */

.sec-page {
  position: relative;
  z-index: 10;
  min-height: 100%;
  overflow-y: auto;
  padding: 0 1.2rem 3rem;
}

.sec-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 0;
  max-width: 920px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.back-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  transition: color 0.15s;
}
.back-link:hover { color: var(--accent); }

.sec-brand {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.logo-small {
  font-size: 1.3rem;
  text-shadow: 0 0 8px var(--accent);
}

.sec-main {
  max-width: 920px;
  margin: 0 auto;
}

.sec-hero {
  padding: 2.4rem 0 1.8rem;
  text-align: center;
}
.sec-hero h1 {
  font-size: 1.85rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.9rem;
  text-shadow: 0 0 14px rgba(0, 255, 65, 0.35);
}
.lead {
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}

.sec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.1rem;
  margin-bottom: 2.5rem;
}

.sec-card {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 1.35rem 1.25rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.sec-card:hover {
  border-color: var(--text-muted);
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.08);
}
.sec-icon {
  font-size: 1.5rem;
  margin-bottom: 0.55rem;
  line-height: 1;
}
.sec-card h2 {
  font-size: 0.98rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.55rem;
  color: var(--accent);
}
.sec-card p {
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.sec-principles {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 1.6rem 1.5rem;
  margin-bottom: 2.2rem;
}
.sec-principles h2 {
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.sec-principles ul {
  list-style: none;
}
.sec-principles li {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--text-muted);
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
}
.sec-principles li:last-child { border-bottom: none; }
.sec-principles strong {
  color: var(--accent);
}

.sec-cta {
  text-align: center;
  padding: 1.8rem 1rem;
  margin-bottom: 1.5rem;
}
.sec-cta p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.cta-btn {
  display: inline-block;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  padding: 0.7rem 1.8rem;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
}
.cta-btn:hover {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 22px rgba(0, 255, 65, 0.45);
}

.sec-footer {
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.sec-footer .tiny {
  margin-top: 0.5rem;
  opacity: 0.75;
}

/* Homepage additions */
.home-links {
  margin-top: 1.15rem;
  text-align: center;
}
.sec-link {
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.sec-link:hover {
  color: var(--accent);
  border-bottom-color: var(--text-muted);
}

.login-btn {
  font-size: 0.95rem !important;
  padding: 0.7rem 1.2rem !important;
  letter-spacing: 0.1em !important;
}

@media (max-width: 600px) {
  .sec-hero h1 { font-size: 1.45rem; }
  .sec-header { flex-direction: column; gap: 0.6rem; align-items: flex-start; }
  .sec-grid { grid-template-columns: 1fr; }
}

.link-sep {
  color: var(--border);
  margin: 0 0.35rem;
  font-size: 0.75rem;
}
.home-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.15rem;
}
.sec-footer a {
  color: var(--text-muted);
  text-decoration: none;
}
.sec-footer a:hover {
  color: var(--accent);
}



/* Build identifier: deliberately small but readable. */
.vault-branding .build-info {
  display: block;
  margin-top: 4px;
  font-size: 10px;
  line-height: 1.35;
  letter-spacing: .02em;
  opacity: .78;
}