/* INNER CRITICS - SPLIT WORLD AESTHETIC */
/* Bob Ross meets brutal honesty */

:root {
  /* Bob Ross Side (Light) */
  --light-bg: #FAF8F5;
  --light-text: #3A3A3A;
  --light-accent: #8B9A7E;
  --light-border: #D4CEC3;

  /* Dark Side (Critics) */
  --dark-bg: #0e0b10;
  --dark-bg-secondary: #1a1216;
  --dark-text: #eeeeee;
  --dark-accent: #c9a46b;
  --dark-border: #3a2a3a;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;
  --transition-slow: 0.8s ease;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  /* Typography */
  --font-serif: 'Crimson Text', Georgia, serif;
  --font-sans: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;

  /* Encroachment tracking */
  --darkness-progress: 0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  background: var(--light-bg);
  color: var(--light-text);
}

/* ============================================
   SPLIT SCREEN CONTAINER
   ============================================ */

.site-wrapper {
  position: relative;
  min-height: 100vh;
}

/* Desktop: Side-by-side split */
@media (min-width: 768px) {
  .split-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
    position: relative;
  }

  .bob-ross-side {
    background: var(--light-bg);
    color: var(--light-text);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
  }

  .dark-side {
    background: var(--dark-bg);
    color: var(--dark-text);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
  }

  /* The dividing line */
  .split-container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
      to bottom,
      var(--light-border) 0%,
      var(--dark-border) 100%
    );
    transform: translateX(-50%);
    z-index: 10;
    transition: all var(--transition-slow);
  }

  /* Encroachment effect - dark side bleeds over */
  .split-container.encroaching::before {
    width: 8px;
    background: var(--dark-bg);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
  }

  .split-container.encroaching .bob-ross-side {
    filter: brightness(0.95);
  }

  /* Dark tendrils reaching across */
  .dark-side::before {
    content: '';
    position: absolute;
    left: -50px;
    top: 0;
    bottom: 0;
    width: 100px;
    background: linear-gradient(
      to right,
      transparent,
      rgba(14, 11, 16, calc(var(--darkness-progress) * 0.3))
    );
    pointer-events: none;
    transition: opacity var(--transition-slow);
  }
}

/* Mobile: Vertical stack, light to dark */
@media (max-width: 767px) {
  .split-container {
    display: block;
  }

  .bob-ross-side,
  .dark-side {
    padding: var(--space-md);
    min-height: 50vh;
  }

  .bob-ross-side {
    background: linear-gradient(
      to bottom,
      var(--light-bg) 0%,
      var(--light-bg) 70%,
      #e8e4df 100%
    );
    color: var(--light-text);
  }

  .dark-side {
    background: var(--dark-bg);
    color: var(--dark-text);
  }

  /* Transition zone */
  .bob-ross-side::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(
      to bottom,
      transparent,
      rgba(14, 11, 16, 0.1)
    );
    pointer-events: none;
  }
}

/* ============================================
   NAVIGATION
   ============================================ */

nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--light-bg);
  border-bottom: 1px solid var(--light-border);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-medium);
}

nav.darkened {
  background: var(--dark-bg);
  border-bottom: 1px solid var(--dark-border);
  color: var(--dark-text);
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.8;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a:hover {
  opacity: 1;
}

/* Mobile nav */
@media (max-width: 767px) {
  .nav-links {
    gap: var(--space-sm);
    flex-wrap: wrap;
    font-size: 0.85rem;
  }
}

/* ============================================
   GLITCH BUTTON EFFECT
   ============================================ */

.btn {
  display: inline-block;
  padding: 0.9rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
  font-size: 1rem;
}

/* Light side button */
.btn-light {
  background: var(--light-bg);
  color: var(--light-text);
  border-color: var(--light-accent);
}

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

/* Dark side button */
.btn-dark {
  background: var(--dark-bg);
  color: var(--dark-accent);
  border-color: var(--dark-accent);
}

.btn-dark:hover {
  background: var(--dark-accent);
  color: var(--dark-bg);
}

/* Glitch effect for buttons crossing the divide */
.btn-glitch {
  background: var(--light-bg);
  color: var(--light-text);
  border-color: var(--light-accent);
}

.btn-glitch::before {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark-bg);
  color: var(--dark-accent);
  border-color: var(--dark-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.1s;
  clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
}

.btn-glitch:hover::before {
  opacity: 1;
  animation: glitch 0.3s infinite;
}

@keyframes glitch {
  0% {
    clip-path: polygon(0 0, 100% 0, 100% 5%, 0 5%);
    transform: translate(-2px, -2px);
  }
  10% {
    clip-path: polygon(0 15%, 100% 15%, 100% 25%, 0 25%);
    transform: translate(2px, 1px);
  }
  20% {
    clip-path: polygon(0 30%, 100% 30%, 100% 45%, 0 45%);
    transform: translate(-1px, 2px);
  }
  30% {
    clip-path: polygon(0 50%, 100% 50%, 100% 70%, 0 70%);
    transform: translate(3px, -1px);
  }
  40% {
    clip-path: polygon(0 75%, 100% 75%, 100% 85%, 0 85%);
    transform: translate(-2px, 2px);
  }
  50% {
    clip-path: polygon(0 90%, 100% 90%, 100% 100%, 0 100%);
    transform: translate(1px, -2px);
  }
  60% {
    clip-path: polygon(0 0, 100% 0, 100% 20%, 0 20%);
    transform: translate(-3px, 1px);
  }
  70% {
    clip-path: polygon(0 40%, 100% 40%, 100% 60%, 0 60%);
    transform: translate(2px, -1px);
  }
  80% {
    clip-path: polygon(0 65%, 100% 65%, 100% 80%, 0 80%);
    transform: translate(-1px, 2px);
  }
  90% {
    clip-path: polygon(0 85%, 100% 85%, 100% 95%, 0 95%);
    transform: translate(2px, 1px);
  }
  100% {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    transform: translate(0, 0);
  }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-sm);
  max-width: 65ch;
}

.lead {
  font-size: 1.25rem;
  line-height: 1.7;
  opacity: 0.9;
}

/* ============================================
   SECTIONS
   ============================================ */

section {
  padding: var(--space-xl) 0;
  position: relative;
}

.section-light {
  background: var(--light-bg);
  color: var(--light-text);
}

.section-dark {
  background: var(--dark-bg);
  color: var(--dark-text);
}

.section-transitioning {
  background: linear-gradient(
    to bottom,
    var(--light-bg) 0%,
    var(--dark-bg) 100%
  );
  color: var(--light-text);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ============================================
   CARDS
   ============================================ */

.card {
  background: white;
  border: 1px solid var(--light-border);
  border-radius: 0.75rem;
  padding: var(--space-md);
  transition: all var(--transition-medium);
}

.card-dark {
  background: var(--dark-bg-secondary);
  border: 1px solid var(--dark-border);
  color: var(--dark-text);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.card-dark:hover {
  box-shadow: 0 8px 24px rgba(201, 164, 107, 0.2);
}

/* ============================================
   UTILITIES
   ============================================ */

.text-center {
  text-align: center;
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */

::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(
    to bottom,
    var(--light-accent),
    var(--dark-accent)
  );
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--dark-accent);
}