/* ========================================
   BYTXO — Base Reset & Typography
   ======================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-weight: var(--fw-regular);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--cloud);
  background-color: var(--midnight);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--tr-fast);
}

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

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

::selection {
  background: var(--accent);
  color: var(--midnight);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--fw-bold);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--white);
}

h1 { font-size: var(--text-7xl); }
h2 { font-size: var(--text-5xl); margin-bottom: var(--space-6); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }

p {
  color: rgba(244, 244, 244, 0.75);
  max-width: 640px;
}

.text-accent {
  background: var(--gradient-text);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmerText 3s linear infinite;
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-4);
  position: relative;
  padding-left: 2rem;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 1.2rem;
  height: 2px;
  background: var(--accent);
  transform: translateY(-50%);
}

.section-subtitle {
  font-size: var(--text-xl);
  color: rgba(244,244,244,0.6);
  max-width: 600px;
  margin-bottom: var(--space-12);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--midnight);
}
::-webkit-scrollbar-thumb {
  background: var(--graphite);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}