:root {
  --secu-red: #e0243b;
  --secu-dark: #0b0c10;
  --secu-bg: #0f1117;
  --secu-card: #151821;
  --secu-text: #f5f5f7;
  --secu-muted: #9ca3af;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1f2933 0, #020308 55%, #000 100%);
  color: var(--secu-text);
}

a {
  color: inherit;
  text-decoration: none;
}

.secu-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.secu-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(3, 7, 18, 0.85);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.secu-header .secu-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.secu-logo {
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.secu-logo::before {
  content: "S";
  height: 28px;
  width: 28px;
  border-radius: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--secu-red);
  color: white;
  font-weight: 900;
  font-size: 0.9rem;
}

.secu-nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--secu-muted);
}

.secu-nav a {
  position: relative;
  padding: 0.25rem 0;
}

.secu-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--secu-red);
  transition: width 0.2s ease-out;
}

.secu-nav a:hover::after {
  width: 100%;
}

.secu-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease-out;
}

.btn-outline {
  border-color: rgba(148, 163, 184, 0.5);
  color: var(--secu-muted);
}

.btn-outline:hover {
  border-color: rgba(148, 163, 184, 0.9);
  background: rgba(15, 23, 42, 0.9);
}

.btn-primary {
  background: linear-gradient(135deg, #f43f5e, #e0243b);
  color: white;
  box-shadow: 0 10px 25px rgba(248, 113, 113, 0.4);
}

.btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

main {
  min-height: calc(100vh - 64px - 120px);
}

.hero {
  padding: 4rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--secu-muted);
  margin-bottom: 1.25rem;
}

.hero-kicker span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 18px;
  width: 18px;
  border-radius: 999px;
  background: rgba(248, 113, 113, 0.15);
  color: #fecaca;
  font-size: 0.7rem;
}

.hero-title {
  font-size: clamp(2.2rem, 3.2vw, 3rem);
  line-height: 1.05;
  margin: 0 0 1rem;
}

.hero-subtitle {
  margin: 0 0 1.75rem;
  font-size: 0.98rem;
  color: var(--secu-muted);
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.hero-meta {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.75rem;
  font-size: 0.8rem;
  color: var(--secu-muted);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.hero-meta strong {
  color: var(--secu-text);
}

.hero-card {
  background: radial-gradient(circle at top left, rgba(248, 113, 113, 0.15), transparent 55%),
              var(--secu-card);
  border-radius: 1.5rem;
  padding: 1.75rem 1.5rem;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow:
    0 18px 45px rgba(15, 23, 42, 0.8),
    0 0 0 0.5px rgba(248, 113, 113, 0.4) inset;
}

.hero-card-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.hero-card-title h2 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--secu-muted);
}

.badge-online {
  font-size: 0.7rem;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(74, 222, 128, 0.5);
  background: rgba(22, 163, 74, 0.15);
  color: #bbf7d0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.metric-card {
  background: rgba(15, 23, 42, 0.9);
  border-radius: 1rem;
  padding: 0.9rem;
  border: 1px solid rgba(55, 65, 81, 0.9);
  font-size: 0.75rem;
}

.metric-label {
  color: var(--secu-muted);
  margin-bottom: 0.35rem;
}

.metric-value {
  font-size: 1.1rem;
  font-weight: 600;
}

.metric-foot {
  font-size: 0.7rem;
  color: #4ade80;
}

.hero-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--secu-muted);
}

.hero-card-footer strong {
  color: var(--secu-text);
}

.section {
  padding: 2.5rem 0 3rem;
}

.section-title {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--secu-muted);
  max-width: 34rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: rgba(15, 23, 42, 0.9);
  border-radius: 1.25rem;
  padding: 1.25rem;
  border: 1px solid rgba(55, 65, 81, 0.9);
}

.card h3 {
  font-size: 1rem;
  margin: 0 0 0.5rem;
}

.card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--secu-muted);
}

.card-tag {
  display: inline-flex;
  padding: 0.16rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: 0.5rem;
}

.secu-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  padding: 1.5rem 0 2rem;
  background: radial-gradient(circle at bottom, #020308 0, #020617 50%, #000 100%);
  font-size: 0.8rem;
  color: var(--secu-muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a {
  color: var(--secu-muted);
}

.form-card {
  max-width: 640px;
  background: rgba(15, 23, 42, 0.95);
  border-radius: 1.25rem;
  padding: 1.75rem;
  border: 1px solid rgba(55, 65, 81, 0.9);
  margin-top: 1.5rem;
}

.form-row {
  display: flex;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1rem;
  width: 100%;
}

label {
  display: block;
  font-size: 0.8rem;
  color: var(--secu-muted);
  margin-bottom: 0.25rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
  width: 100%;
  border-radius: 0.9rem;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background: rgba(15, 23, 42, 0.95);
  color: var(--secu-text);
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--secu-red);
  box-shadow: 0 0 0 1px rgba(248, 113, 113, 0.5);
}

.alert {
  border-radius: 0.9rem;
  padding: 0.6rem 0.75rem;
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

.alert-success {
  border: 1px solid rgba(34, 197, 94, 0.5);
  background: rgba(22, 163, 74, 0.15);
  color: #bbf7d0;
}

.alert-error {
  border: 1px solid rgba(248, 113, 113, 0.7);
  background: rgba(127, 29, 29, 0.4);
  color: #fecaca;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.link-muted {
  font-size: 0.8rem;
  color: var(--secu-muted);
}

.link-muted a {
  color: var(--secu-text);
  text-decoration: underline;
  text-decoration-color: rgba(248, 113, 113, 0.7);
  text-underline-offset: 0.18em;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .secu-header .secu-container {
    gap: 0.75rem;
  }

  .secu-nav {
    display: none;
  }

  .hero {
    padding-top: 2.75rem;
  }

  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-row {
    flex-direction: column;
  }
}