/* ============================================================
   MAC DATA HUB PREMIUM DESIGN SYSTEM
   Theme: The Prestige (Navy, Gold, Ivory)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Playfair+Display:ital,wght@0,700;0,800;1,700&display=swap');

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

:root {
  /* Colors */
  --bg-deep:      #050b1a; /* Deep Royal Navy */
  --bg-surface:   #0a1428; 
  --bg-card:      rgba(13, 25, 48, 0.7);
  --bg-nav:       rgba(5, 11, 26, 0.85);
  
  --primary:      #c2a35e; /* Brushed Gold */
  --primary-light:#dfc38a;
  --primary-glow: rgba(194, 163, 94, 0.3);
  
  --text-primary: #f8f9fa;
  --text-secondary:#b0b8c4;
  --text-dim:     #64748b;
  
  --border:       rgba(255, 255, 255, 0.08);
  --border-focus: rgba(194, 163, 94, 0.5);
  
  --shadow-sm:    0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-md:    0 12px 32px rgba(0, 0, 0, 0.2);
  --shadow-lg:    0 24px 64px rgba(0, 0, 0, 0.4);
  
  --radius-lg:    16px;
  --radius-md:    12px;
  --radius-sm:    8px;
  
  --nav-h:        72px;
  --transition:   all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  padding-top: var(--nav-h);
}

/* Background Atmosphere */
body::before {
  content: '';
  position: fixed; inset: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(194, 163, 94, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(30, 64, 175, 0.1) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; }

/* ── TYPOGRAPHY ── */
h1, h2, h3, .serif {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.accent {
  color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── NAVIGATION ── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.nav-inner {
  display: flex; justify-content: space-between; align-items: center;
  height: 100%;
}

.nav-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
}

.logo-text {
  font-family: 'Playfair Display', serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.logo-text span { color: var(--primary); }

/* ── HERO SECTION ── */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(194, 163, 94, 0.1);
  border: 1px solid var(--primary-glow);
  padding: 6px 16px; border-radius: 99px;
  font-size: 0.75rem; font-weight: 700; color: var(--primary);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 40px;
}

/* ── CALCULATOR CARDS (GLASSMORPISM) ── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex; flex-direction: column;
}

.tool-card:hover {
  transform: translateY(-8px);
  background: rgba(13, 25, 48, 0.9);
  border-color: var(--primary-glow);
  box-shadow: var(--shadow-lg);
}

.tool-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at top left, rgba(194, 163, 94, 0.05), transparent 70%);
  opacity: 0; transition: var(--transition);
}

.tool-card:hover::before { opacity: 1; }

.tool-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  display: block;
}

.tool-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.tool-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  flex-grow: 1;
  margin-bottom: 24px;
}

.tool-link {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex; align-items: center; gap: 8px;
  text-transform: uppercase; letter-spacing: 0.05em;
}

/* ── EXPERT METHODOLOGY BLOCK ── */
.methodology {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 60px;
  margin: 40px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.method-content h2 { font-size: 2.2rem; margin-bottom: 20px; }
.method-content p { color: var(--text-secondary); margin-bottom: 24px; }

.method-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}

.stat-item {
  background: rgba(255,255,255,0.03);
  padding: 24px; border-radius: var(--radius-md);
  text-align: center;
}

.stat-val { font-size: 1.8rem; font-weight: 800; color: var(--primary); display: block; }
.stat-lbl { font-size: 0.75rem; text-transform: uppercase; color: var(--text-dim); }

/* ── BUTTONS ── */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #050b1a;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  font-weight: 800;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 12px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  min-height: 48px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--primary-glow);
}

/* ── FOOTER ── */
.site-footer {
  padding: 80px 0 40px;
  background: #030712;
  border-top: 1px solid var(--border);
}

.footer-disclaimer {
  font-size: 0.75rem;
  color: var(--text-dim);
  max-width: 900px;
  margin: 40px auto 0;
  text-align: center;
  line-height: 1.8;
}

@media (max-width: 968px) {
  .methodology { grid-template-columns: 1fr; gap: 40px; padding: 40px; }
  .hero h1 { font-size: 2.8rem; }
}