/* ==========================================================================
   GOOGLE ANTIGRAVITY CENTRAL DESIGN TOKENS
   ========================================================================== */

:root {
  --antigravity-brand-primary: #0A142F;
  --antigravity-brand-primary-text: #FFFFFF;
  --antigravity-brand-secondary: #1E293B;
  --antigravity-brand-accent: #C29B38;
  --antigravity-brand-surface: #FFFFFF;
  --antigravity-brand-surface-muted: #F8FAFC;
  --antigravity-brand-text: #0F172A;
  --antigravity-brand-text-muted: #64748B;
  --antigravity-brand-border: rgba(15, 23, 42, 0.08);

  --antigravity-font-heading: 'Cinzel', serif;
  --antigravity-font-body: 'Inter', sans-serif;
  --antigravity-heading-weight: 800;

  --antigravity-card-radius: 1.5rem;
  --antigravity-button-radius: 0.75rem;
  --antigravity-section-spacing-y: 6rem;
  --antigravity-container-padding-x: 1.5rem;

  --antigravity-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --antigravity-hover-lift: -2px;
}

html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  width: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--antigravity-font-body);
  color: var(--antigravity-brand-text);
  background-color: var(--antigravity-brand-surface);
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
}

.font-heading {
  font-family: var(--antigravity-font-heading);
  font-weight: var(--antigravity-heading-weight);
}

/* ==========================================================================
   INTERACTIVE BUTTONS WITH DYNAMIC CONTRAST
   ========================================================================== */

.btn-primary-interactive {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--antigravity-brand-primary);
  color: var(--antigravity-brand-primary-text) !important;
  font-family: var(--antigravity-font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.075em;
  padding: 1rem 2.25rem;
  border-radius: var(--antigravity-button-radius);
  border: 1px solid var(--antigravity-brand-border);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.08);
  transition: var(--antigravity-transition);
  cursor: pointer;
  position: relative;
  text-decoration: none;
}

.btn-primary-interactive:hover {
  transform: translateY(var(--antigravity-hover-lift));
  box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.22), 0 10px 15px -5px rgba(0, 0, 0, 0.1);
  background-color: var(--antigravity-brand-secondary);
  color: #FFFFFF !important;
}

.btn-primary-interactive:active {
  transform: translateY(0);
  box-shadow: 0 5px 15px -3px rgba(0, 0, 0, 0.15);
}

.btn-primary-interactive .cta-arrow {
  transition: transform 0.2s ease-in-out;
}

.btn-primary-interactive:hover .cta-arrow {
  transform: translateX(4px);
}

.btn-header-interactive {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--antigravity-brand-primary);
  color: var(--antigravity-brand-primary-text) !important;
  font-family: var(--antigravity-font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.65rem 1.5rem;
  border-radius: calc(var(--antigravity-button-radius) * 0.75);
  border: 1px solid var(--antigravity-brand-border);
  transition: var(--antigravity-transition);
  cursor: pointer;
  text-decoration: none;
}

.btn-header-interactive:hover {
  transform: translateY(-1px);
  background-color: var(--antigravity-brand-secondary);
  color: #FFFFFF !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.nav-link-interactive {
  position: relative;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--antigravity-brand-text-muted);
  transition: color 0.2s ease;
  padding-bottom: 4px;
  text-decoration: none;
}

.nav-link-interactive::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--antigravity-brand-accent);
  transition: width 0.25s cubic-bezier(0.16, 1, 0.3, 1), left 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 2px;
}

.nav-link-interactive:hover {
  color: var(--antigravity-brand-primary);
}

.nav-link-interactive:hover::after {
  width: 100%;
  left: 0;
}

.interactive-card {
  border-radius: var(--antigravity-card-radius);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.interactive-card:hover {
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.15), 0 15px 25px -10px rgba(0, 0, 0, 0.08);
}