/* ==========================================================================
   Financial Flow Workshop - Global Design System & Variables
   ========================================================================== */

:root {
  /* Colors */
  --color-black-main: #eae3d2;     /* Sand Cream */
  --color-black-soft: #f4efe2;     /* Lighter Sand Cream */
  --color-cream: #fbf9f5;          /* Light Cream */
  --color-gold: #cca152;           /* Mustard Yellow */
  --color-gold-dark: #a17835;      /* Dark Mustard */
  --color-gold-light: #f3dfb6;     /* Light Mustard */
  --color-text-muted: #847d6e;     /* Muted Sand Brown */
  --color-text-dark: #1e1b15;      /* Deep Charcoal */
  --color-white: #ffffff;
  
  /* Fonts */
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: "Playfair Display", ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-normal: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  --transition-reveal: 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-black-main);
  color: var(--color-text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--color-gold);
  color: var(--color-text-dark);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.25;
  color: var(--color-text-dark);
}

p {
  margin-bottom: 1rem;
}

strong {
  font-weight: 600;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Utility Classes */
.font-serif { font-family: var(--font-serif); }
.font-sans { font-family: var(--font-sans); }
.text-gold { color: var(--color-gold); }
.text-cream { color: var(--color-text-dark); }
.text-center { text-align: center !important; }
.bg-cream { background-color: var(--color-cream); color: var(--color-text-dark); }
.bg-black-main { background-color: var(--color-black-main); color: var(--color-text-dark); }
.bg-black-soft { background-color: var(--color-black-soft); color: var(--color-text-dark); }

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Common Buttons & CTA */
.btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background-color: var(--color-gold);
  color: var(--color-text-dark);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1.25rem 2.5rem;
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition: color var(--transition-normal);
  z-index: 1;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-white);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: -1;
}

.btn-primary:hover {
  color: var(--color-text-dark);
}

.btn-primary:hover::before {
  transform: translateX(0);
}

.btn-secondary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid var(--color-gold);
  background-color: transparent;
  color: var(--color-gold);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 1rem 2.5rem;
  cursor: pointer;
  overflow: hidden;
  transition: color var(--transition-normal);
  z-index: 1;
}

.btn-secondary::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-gold);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: -1;
}

.btn-secondary:hover {
  color: var(--color-text-dark);
}

.btn-secondary:hover::before {
  transform: translateX(0);
}

/* Animations & Transitions */
@keyframes bounce-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.animate-bounce-slow {
  animation: bounce-slow 2.4s ease-in-out infinite;
}

/* Scroll Reveal Classes */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
  will-change: opacity, transform;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
  will-change: opacity, transform;
}

.reveal-left.in-view {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
  will-change: opacity, transform;
}

.reveal-right.in-view {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.94);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
  will-change: opacity, transform;
}

.reveal-scale.in-view {
  opacity: 1;
  transform: scale(1);
}

/* Staggered lists */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.reveal-stagger.in-view > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0.05s; }
.reveal-stagger.in-view > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 0.15s; }
.reveal-stagger.in-view > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 0.25s; }
.reveal-stagger.in-view > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 0.35s; }
.reveal-stagger.in-view > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 0.45s; }
.reveal-stagger.in-view > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 0.55s; }
.reveal-stagger.in-view > *:nth-child(7) { opacity: 1; transform: translateY(0); transition-delay: 0.65s; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left, .reveal-right, .reveal-scale, .reveal-stagger > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}