/* AGS Security — Professional Dark Theme */

:root {
  --bg-primary: #0a0f1a;
  --bg-secondary: #0f1629;
  --bg-card: #131d35;
  --border: #1e2d4a;
  --accent: #00d4aa;
  --accent-dim: #00a884;
  --text-primary: #e8edf5;
  --text-secondary: #8899b0;
  --text-muted: #5a6a80;
  --danger: #ff4757;
  --success: #00d4aa;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 15, 26, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav-logo span { color: var(--text-primary); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }

/* Hero */
.hero {
  padding: 160px 2rem 80px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, #0f2040 0%, transparent 60%);
}
.hero-label {
  display: inline-block;
  padding: 4px 14px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #e8edf5 0%, #8899b0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
}
.btn-primary:hover { background: var(--accent-dim); transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* Sections */
.section {
  padding: 5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.section-sub {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin-bottom: 3rem;
}

/* Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.feature-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 212, 170, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.feature-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 auto;
  max-width: 1100px;
}

/* Form Section */
#contact {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.form-wrapper {
  max-width: 680px;
  margin: 0 auto;
}
.form-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
  text-align: center;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-grid .full-width { grid-column: 1 / -1; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
label .required { color: var(--accent); margin-left: 2px; }
input, select, textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.12);
}
select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238899b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
select option { background: var(--bg-card); }
textarea { resize: vertical; min-height: 100px; }
.form-submit {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.form-submit .btn { min-width: 160px; }

/* Form feedback */
.form-success {
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 1.5rem 2rem;
  text-align: center;
  color: var(--accent);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 2rem;
  display: none;
}
.form-success.show { display: block; }
.form-error-global {
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid var(--danger);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--danger);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  display: none;
}
.form-error-global.show { display: block; }

/* Footer */
.footer {
  padding: 3rem 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}
.footer a { color: var(--text-muted); text-decoration: none; }
.footer a:hover { color: var(--accent); }

/* Responsive */
@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero { padding: 140px 1.5rem 60px; }
  .section { padding: 3rem 1.5rem; }
}