/* Veri Merkezi — Firewall (güçlü kontrast paleti) */
.fw-hero,
.fw-body {
  --fw-navy: #042f4a;
  --fw-deep: #064e7a;
  --fw-primary: #0369a1;
  --fw-accent: #0891b2;
  --fw-accent-hi: #22d3ee;
  --fw-ink: #0f172a;
  --fw-muted: #334155;
  --fw-surface: #e8eef4;
  --fw-card: #ffffff;
  --fw-border: #94a3b8;
  --fw-border-accent: #0284c7;
  --fw-ok: #059669;
  --fw-ok-bg: #d1fae5;
  --fw-tag-bg: #cffafe;
  --fw-tag-text: #0e7490;
}

.fw-hero {
  background: linear-gradient(128deg, #021a2b 0%, var(--fw-navy) 28%, var(--fw-deep) 55%, #0c5a8a 100%);
  color: #fff;
  padding: 88px 0 72px;
  position: relative;
  overflow: hidden;
}

.fw-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 0% 100%, rgba(34, 211, 238, 0.22) 0%, transparent 55%),
    radial-gradient(ellipse 50% 60% at 100% 0%, rgba(8, 145, 178, 0.18) 0%, transparent 50%);
  pointer-events: none;
}

.fw-hero__inner { position: relative; z-index: 1; }

.fw-hero__title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  color: #fff;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
}

.fw-hero__lead {
  font-size: 1.15rem;
  color: #e2e8f0;
  max-width: 640px;
  margin-bottom: 28px;
  line-height: 1.65;
}

.fw-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.fw-hero__stat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(8, 145, 178, 0.35);
  border: 1px solid rgba(34, 211, 238, 0.55);
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.fw-hero__stat i {
  color: var(--fw-accent-hi);
  font-size: 1rem;
}

.fw-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

.fw-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.fw-btn--light {
  background: #fff;
  color: var(--fw-navy);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.fw-btn--outline {
  background: rgba(2, 132, 199, 0.25);
  color: #fff;
  border: 2px solid var(--fw-accent-hi);
}

.fw-btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.fw-btn--light:hover {
  background: var(--fw-accent-hi);
  color: var(--fw-navy);
}

.fw-btn--outline:hover {
  background: var(--fw-accent);
  border-color: #fff;
  color: #fff;
}

.fw-hero__visual {
  text-align: center;
  padding: 20px 0;
}

.fw-shield-ring {
  width: 200px;
  height: 200px;
  margin: 0 auto;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(8, 145, 178, 0.45), rgba(2, 132, 199, 0.2));
  border: 4px solid var(--fw-accent-hi);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fw-pulse 3s ease-in-out infinite;
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.35), inset 0 0 30px rgba(34, 211, 238, 0.12);
}

.fw-shield-ring i {
  font-size: 5rem;
  color: var(--fw-accent-hi);
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4));
}

@keyframes fw-pulse {
  0%, 100% { box-shadow: 0 0 40px rgba(34, 211, 238, 0.35), 0 0 0 0 rgba(34, 211, 238, 0.5); }
  50% { box-shadow: 0 0 50px rgba(34, 211, 238, 0.5), 0 0 0 18px rgba(34, 211, 238, 0); }
}

.fw-body {
  background: var(--fw-surface);
  padding: 64px 0 80px;
}

.fw-section-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--fw-ink);
  margin-bottom: 12px;
  text-align: center;
}

.fw-section-desc {
  text-align: center;
  color: var(--fw-muted);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.65;
  font-weight: 500;
}

/* Katman kartları */
.fw-layers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 56px;
}

.fw-layer {
  background: var(--fw-card);
  border: 2px solid var(--fw-border-accent);
  border-radius: 14px;
  padding: 24px 20px;
  text-align: center;
  box-shadow: 0 6px 20px rgba(4, 47, 74, 0.12);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.fw-layer:hover {
  transform: translateY(-4px);
  border-color: var(--fw-accent);
  box-shadow: 0 14px 36px rgba(3, 105, 161, 0.22);
}

.fw-layer__num {
  width: 40px;
  height: 40px;
  margin: 0 auto 12px;
  background: linear-gradient(135deg, #0284c7, #0891b2);
  color: #fff;
  border-radius: 50%;
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.45);
}

.fw-layer__icon {
  font-size: 2rem;
  color: var(--fw-primary);
  margin-bottom: 10px;
}

.fw-layer h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--fw-ink);
  margin-bottom: 8px;
}

.fw-layer p {
  font-size: 0.84rem;
  color: var(--fw-muted);
  margin: 0;
  line-height: 1.5;
}

/* Saldırı chip */
.fw-attacks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 48px;
}

.fw-attack-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: var(--fw-card);
  border: 2px solid #7dd3fc;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--fw-ink);
  box-shadow: 0 2px 6px rgba(3, 105, 161, 0.08);
}

.fw-attack-chip i {
  color: var(--fw-ok);
  font-size: 1rem;
}

/* Özellik kartları */
.fw-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.fw-feature {
  background: var(--fw-card);
  border-radius: 16px;
  padding: 28px 24px;
  border: 2px solid #cbd5e1;
  border-left: 5px solid var(--fw-border-accent);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
}

.fw-feature__ic {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0284c7, #0e7490);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: #fff;
  font-size: 1.4rem;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.4);
}

.fw-feature h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--fw-ink);
  margin-bottom: 8px;
}

.fw-feature p {
  font-size: 0.9rem;
  color: var(--fw-muted);
  margin: 0;
  line-height: 1.55;
}

/* Tablo */
.fw-services-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--fw-card);
  border-radius: 14px;
  overflow: hidden;
  border: 2px solid var(--fw-border-accent);
  margin-bottom: 48px;
  font-size: 0.92rem;
  box-shadow: 0 8px 24px rgba(4, 47, 74, 0.1);
}

.fw-services-table th {
  background: linear-gradient(180deg, #0c5a8a 0%, var(--fw-navy) 100%);
  color: #fff;
  padding: 16px 18px;
  text-align: left;
  font-weight: 700;
  border-bottom: 3px solid var(--fw-accent-hi);
}

.fw-services-table td {
  padding: 14px 18px;
  border-bottom: 1px solid #cbd5e1;
  vertical-align: middle;
  color: var(--fw-muted);
}

.fw-services-table td strong a {
  color: var(--fw-primary);
  font-weight: 700;
}

.fw-services-table tr:last-child td { border-bottom: none; }

.fw-services-table tbody tr:hover td {
  background: #dbeafe;
  color: var(--fw-ink);
}

.fw-tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--fw-tag-bg);
  color: var(--fw-tag-text);
  border: 1px solid #22d3ee;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 800;
  margin: 2px 4px 2px 0;
}

/* Yan menü */
.vm-sidebar .page-links a.active {
  background: #0369a1;
  color: #fff;
  font-weight: 700;
  border-color: #0284c7;
}

.fw-faq .card {
  border: 2px solid #94a3b8;
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
}

.fw-faq .card-header {
  background: var(--fw-card);
  border: none;
  padding: 0;
}

.fw-faq .btn-link {
  width: 100%;
  text-align: left;
  padding: 16px 20px;
  font-weight: 700;
  color: var(--fw-ink);
  text-decoration: none;
}

.fw-faq .btn-link:hover,
.fw-faq .btn-link:focus {
  color: var(--fw-primary);
  text-decoration: none;
  background: #dbeafe;
}

.fw-faq .card-body {
  color: var(--fw-muted);
  border-top: 1px solid #cbd5e1;
}

.fw-faq .card-body a {
  color: var(--fw-primary);
  font-weight: 700;
}

.fw-cta {
  background: linear-gradient(135deg, #021a2b 0%, var(--fw-navy) 40%, var(--fw-deep) 100%);
  border: 2px solid var(--fw-accent-hi);
  border-radius: 18px;
  padding: 48px 40px;
  text-align: center;
  color: #fff;
  box-shadow: 0 12px 40px rgba(4, 47, 74, 0.35);
}

.fw-cta h2 {
  color: #fff;
  font-weight: 800;
  margin-bottom: 12px;
}

.fw-cta p {
  color: #e2e8f0;
  margin-bottom: 24px;
  font-size: 1.05rem;
}

.fw-related {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.fw-related a {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  padding: 10px 18px;
  background: rgba(8, 145, 178, 0.5);
  border: 2px solid var(--fw-accent-hi);
  border-radius: 8px;
}

.fw-related a:hover {
  background: var(--fw-accent-hi);
  color: var(--fw-navy);
}

@media (max-width: 768px) {
  .fw-hero { padding: 60px 0 48px; }
  .fw-services-table { font-size: 0.82rem; }
  .fw-services-table th,
  .fw-services-table td { padding: 10px 12px; }
}