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

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-body);
  background-color: var(--color-surface);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  max-width: 100%;
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-secondary-dark);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  overflow-wrap: break-word;
  word-break: break-word;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p {
  margin-bottom: var(--space-4);
  font-size: var(--fs-body);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

img, svg, picture, video {
  max-width: 100%;
  display: block;
}

input, button, textarea, select {
  font: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Helper Text Formatting */
.text-muted { color: var(--color-muted); }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-gradient {
  background: linear-gradient(135deg, var(--color-flame-start) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.font-display { font-family: var(--font-display); }

/* Keyframe animations */
@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.05); opacity: 1; }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.animate-pulse {
  animation: pulseGlow 3s ease-in-out infinite;
}

.animate-float {
  animation: floatSlow 4s ease-in-out infinite;
}