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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-heading);
  letter-spacing: -0.02em;
}

p {
  line-height: var(--leading-normal);
  color: var(--color-muted);
}

/* Utility classes */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-accent {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.label::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  box-shadow: var(--glow-primary);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-black);
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-2);
}

.section-sub {
  font-size: var(--text-lg);
  color: var(--color-muted);
  max-width: 560px;
  line-height: var(--leading-snug);
}

/* Divider */
.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
}