/**
 * AVANTAS Research - Modern Design Enhancements (2026)
 * Dark mode, animations, hero visuals, fintech polish
 */

/* ========================================
   DARK MODE - CSS Variables
   ======================================== */
:root {
  --avantas-bg: #ffffff;
  --avantas-bg-alt: #f8f9fa;
  --avantas-text: #1a1a2e;
  --avantas-text-muted: #6c757d;
  --avantas-card-bg: #ffffff;
  --avantas-card-border: rgba(0, 0, 0, 0.06);
  --avantas-section-alt: #f8f9fa;
  --avantas-shadow: rgba(0, 0, 0, 0.08);
  --avantas-shadow-hover: rgba(0, 0, 0, 0.12);
}

[data-theme="dark"] {
  --avantas-bg: #0f1419;
  --avantas-bg-alt: #1a1f26;
  --avantas-text: #e7e9ea;
  --avantas-text-muted: #8b98a5;
  --avantas-card-bg: #161b22;
  --avantas-card-border: rgba(255, 255, 255, 0.08);
  --avantas-section-alt: #161b22;
  --avantas-shadow: rgba(0, 0, 0, 0.3);
  --avantas-shadow-hover: rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] body {
  background-color: var(--avantas-bg);
  color: var(--avantas-text);
}

[data-theme="dark"] .header,
[data-theme="dark"] header#header {
  background-color: var(--avantas-bg-alt) !important;
}

[data-theme="dark"] .header::before {
  background: var(--avantas-bg-alt) !important;
}

[data-theme="dark"] .ai-diff-card,
[data-theme="dark"] #ai-differentiation .ai-diff-card {
  background: var(--avantas-card-bg) !important;
  border-color: var(--avantas-card-border) !important;
}

[data-theme="dark"] #ai-differentiation {
  background: var(--avantas-bg-alt) !important;
}

[data-theme="dark"] .portfolio-optimization-section {
  background: linear-gradient(135deg, var(--avantas-bg-alt) 0%, var(--avantas-bg) 100%) !important;
}

[data-theme="dark"] .portfolio-score-card,
[data-theme="dark"] .consultation-card,
[data-theme="dark"] .feature-item {
  background: var(--avantas-card-bg) !important;
  border-color: var(--avantas-card-border) !important;
}

[data-theme="dark"] .portfolio-title,
[data-theme="dark"] .portfolio-description,
[data-theme="dark"] .feature-item h4,
[data-theme="dark"] .score-header h3,
[data-theme="dark"] .consultation-card h4 {
  color: var(--avantas-text) !important;
}

[data-theme="dark"] .feature-item p,
[data-theme="dark"] .portfolio-description,
[data-theme="dark"] .consultation-card p,
[data-theme="dark"] .consultation-card li {
  color: var(--avantas-text-muted) !important;
}

[data-theme="dark"] .ai-diff-card-title {
  color: var(--avantas-text) !important;
}

[data-theme="dark"] .ai-diff-card-desc {
  color: var(--avantas-text-muted) !important;
}

[data-theme="dark"] .section-title {
  color: var(--avantas-text) !important;
}

[data-theme="dark"] .section-subtitle {
  color: var(--avantas-text-muted) !important;
}

/* Dark mode toggle button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--avantas-card-border);
  background: var(--avantas-card-bg);
  color: var(--avantas-text);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
  margin: 0 4px;
}

.theme-toggle:hover {
  background: var(--avantas-bg-alt);
  border-color: rgba(212, 175, 55, 0.3);
  color: #D4AF37;
}

.theme-toggle i {
  font-size: 1.1rem;
}

/* Nav context: override link styling for theme toggle parent */
.navmenu ul li:has(.theme-toggle) {
  display: flex;
  align-items: center;
}

.navmenu .theme-toggle {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.9);
}

.header .navmenu .theme-toggle {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  color: #495057;
}

[data-theme="dark"] .header .navmenu .theme-toggle {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--avantas-text);
}

/* ========================================
   HERO MARKET TICKER
   Responsive fintech-style ticker tape
   ======================================== */
.hero-ticker-wrap {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 10px 0;
  z-index: 2;
}

.hero-ticker {
  display: flex;
  gap: 3rem;
  animation: ticker-scroll 40s linear infinite;
  white-space: nowrap;
}

.hero-ticker:hover {
  animation-play-state: paused;
}

.hero-ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.9rem;
  font-weight: 500;
}

.hero-ticker-symbol {
  color: rgba(212, 175, 55, 0.95);
  font-weight: 600;
}

.hero-ticker-price {
  font-variant-numeric: tabular-nums;
}

.hero-ticker-change.positive {
  color: #4ade80;
  font-size: 0.85rem;
}

.hero-ticker-change.negative {
  color: #f87171;
  font-size: 0.85rem;
}

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Duplicate content for seamless loop */
.hero-ticker .ticker-duplicate {
  display: contents;
}

/* ========================================
   MODERN ANIMATIONS & MICRO-INTERACTIONS
   ======================================== */
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-on-scroll {
  animation: fadeInScale 0.5s ease-out;
}

/* Staggered card reveal */
.stagger-reveal > * {
  opacity: 0;
  animation: fadeInUp 0.5s ease-out forwards;
}

.stagger-reveal > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-reveal > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-reveal > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-reveal > *:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Subtle gradient mesh for sections */
.gradient-mesh-bg {
  position: relative;
}

.gradient-mesh-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(212, 175, 55, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

/* ========================================
   HIGH-RES IMAGERY SUPPORT
   ======================================== */
.article-card img,
.featured-article-card img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero-section {
    background-size: cover;
    background-position: center;
  }
}

/* ========================================
   OUTLOOK ICONS - Hide emoji fallback, show icons
   ======================================== */
.outlook-section-title i {
  opacity: 0.9;
}

.outlook-section-title {
  display: flex;
  align-items: center;
}