/* NVIDIA Financial Report Presentation Styles */

:root {
  /* NVIDIA Brand Colors */
  --nvidia-green: #76B900;
  --nvidia-black: #000000;
  
  /* Additional colors for gradients and accents */
  --nvidia-green-dark: #5a8c00;
  --nvidia-green-light: #8ed600;
  --nvidia-gray: #333333;
  --nvidia-light-gray: #666666;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--nvidia-black);
  color: white;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1rem;
  font-weight: 700;
}

.chinese-text {
  font-family: 'Noto Sans SC', sans-serif;
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 6rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.english-text {
  font-size: clamp(0.875rem, 2vw, 1.25rem);
  font-weight: 400;
  opacity: 0.8;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mega-number {
  font-size: clamp(3rem, 12vw, 8rem);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--nvidia-green), var(--nvidia-green-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.highlight-text {
  color: var(--nvidia-green);
  font-weight: 700;
}

/* Container */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 2rem;
}

/* Section Styles */
.section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 0;
  position: relative;
}

/* Bento Grid Layout */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(100px, auto);
  gap: 1.5rem;
  width: 100%;
}

/* Bento Grid Items */
.bento-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 1rem;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.bento-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(118, 185, 0, 0.2);
}

/* Bento Grid Item Sizes */
.bento-item-1x1 {
  grid-column: span 3;
  grid-row: span 1;
}

.bento-item-2x1 {
  grid-column: span 6;
  grid-row: span 1;
}

.bento-item-2x2 {
  grid-column: span 6;
  grid-row: span 2;
}

.bento-item-3x1 {
  grid-column: span 9;
  grid-row: span 1;
}

.bento-item-3x2 {
  grid-column: span 9;
  grid-row: span 2;
}

.bento-item-4x1 {
  grid-column: span 12;
  grid-row: span 1;
}

.bento-item-4x2 {
  grid-column: span 12;
  grid-row: span 2;
}

/* Gradient Backgrounds */
.gradient-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.15;
  z-index: -1;
  background: radial-gradient(circle at top right, var(--nvidia-green), transparent 70%);
}

.gradient-border {
  position: relative;
}

.gradient-border::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 1rem;
  padding: 2px;
  background: linear-gradient(135deg, var(--nvidia-green), transparent);
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Line-based Data Visualization */
.line-chart {
  width: 100%;
  height: 200px;
  position: relative;
  margin-top: 2rem;
}

.line-chart path {
  stroke: var(--nvidia-green);
  stroke-width: 3;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.line-chart .area {
  fill: url(#area-gradient);
  opacity: 0.2;
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
  .bento-item-1x1, .bento-item-2x1, .bento-item-2x2, .bento-item-3x1, .bento-item-3x2 {
    grid-column: span 6;
  }
}

@media (max-width: 768px) {
  .bento-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
  }
  
  .bento-item-1x1, .bento-item-2x1, .bento-item-2x2, .bento-item-3x1, .bento-item-3x2, .bento-item-4x1, .bento-item-4x2 {
    grid-column: span 6;
  }
  
  .container {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }
  
  .bento-item-1x1, .bento-item-2x1, .bento-item-2x2, .bento-item-3x1, .bento-item-3x2, .bento-item-4x1, .bento-item-4x2 {
    grid-column: span 1;
  }
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

/* Icon Styles */
.material-icons {
  vertical-align: middle;
  margin-right: 0.5rem;
}

/* Progress Indicator */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--nvidia-green);
  z-index: 1000;
}

/* Navigation Dots */
.nav-dots {
  position: fixed;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 1000;
}

.nav-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.nav-dot.active {
  background: var(--nvidia-green);
  transform: scale(1.3);
}