/* ==========================================================================
   Vanguard Advisory - Consulting Concept Demo Stylesheet
   Palette: Corporate Slate (#0a192f), Navy (#172a45), Executive Gold (#f59e0b)
   ========================================================================== */

:root {
  --cns-bg: #091220;
  --cns-surface: #101e35;
  --cns-card: #152744;
  --cns-border: rgba(148, 163, 184, 0.18);
  --cns-border-hover: rgba(245, 158, 11, 0.45);

  --cns-text: #f8fafc;
  --cns-text-muted: #94a3b8;
  --cns-accent: #f59e0b;
  --cns-accent-light: #fbbf24;

  --font-cns: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

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

body {
  background-color: var(--cns-bg);
  color: var(--cns-text);
  font-family: var(--font-cns);
  line-height: 1.6;
}

.cns-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.cns-header {
  border-bottom: 1px solid var(--cns-border);
  padding: 1.25rem 0;
  position: sticky;
  top: 38px;
  z-index: 100;
  background: rgba(9, 18, 32, 0.95);
  backdrop-filter: blur(12px);
}

.cns-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cns-brand {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #fff;
  text-decoration: none;
}

.cns-brand span {
  color: var(--cns-accent);
}

.cns-nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.cns-nav-links a {
  color: var(--cns-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.cns-nav-links a:hover {
  color: #fff;
}

/* Hero */
.cns-hero {
  padding: 6.5rem 0 5rem 0;
  border-bottom: 1px solid var(--cns-border);
  background: radial-gradient(circle at 50% 10%, rgba(245, 158, 11, 0.1) 0%, transparent 60%);
}

.cns-hero-tag {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--cns-accent);
  font-weight: 700;
  margin-bottom: 1rem;
}

.cns-hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 850px;
  margin-bottom: 1.5rem;
}

.cns-hero-desc {
  font-size: 1.15rem;
  color: var(--cns-text-muted);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 2.5rem;
}

.btn-cns {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  background: var(--cns-accent);
  color: #091220;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s;
}

.btn-cns:hover {
  background: var(--cns-accent-light);
}

/* Practice Areas Grid */
.cns-section {
  padding: 5rem 0;
}

.cns-section-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-align: center;
}

.cns-section-desc {
  text-align: center;
  color: var(--cns-text-muted);
  max-width: 600px;
  margin: 0 auto 3.5rem auto;
}

.cns-practice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 2rem;
  margin-bottom: 5rem;
}

.cns-card {
  background: var(--cns-card);
  border: 1px solid var(--cns-border);
  border-radius: 8px;
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}

.cns-card:hover {
  border-color: var(--cns-border-hover);
  transform: translateY(-4px);
}

.cns-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--cns-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.cns-card-title {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.cns-card-desc {
  font-size: 0.9rem;
  color: var(--cns-text-muted);
  line-height: 1.6;
}

/* Consultation Form Box */
.cns-form-box {
  background: var(--cns-surface);
  border: 1px solid var(--cns-border);
  border-radius: 12px;
  padding: 3.5rem;
  max-width: 820px;
  margin: 0 auto;
}

.cns-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.cns-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cns-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--cns-text);
}

.cns-input, .cns-select, .cns-textarea {
  padding: 0.8rem 1rem;
  background: #091220;
  border: 1px solid var(--cns-border);
  border-radius: 6px;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
}

.cns-input:focus, .cns-select:focus, .cns-textarea:focus {
  outline: none;
  border-color: var(--cns-accent);
}

.cns-full {
  grid-column: 1 / -1;
}

/* Footer */
.cns-footer {
  border-top: 1px solid var(--cns-border);
  padding: 3rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--cns-text-muted);
}

@media (max-width: 768px) {
  .cns-form-grid {
    grid-template-columns: 1fr;
  }
  .cns-form-box {
    padding: 2rem 1.5rem;
  }
  .cns-nav-links {
    display: none;
  }
}