/* ============================================
   MAIN GLOBAL STYLES
   Reset, Base Styles, Layout
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-base) var(--ease-out);
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

code {
  font-family: var(--font-code);
}

/* ========== CONTAINER ========== */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-12);
  }
}

/* ========== SECTIONS ========== */
section {
  padding: var(--section-padding-mobile) 0;
}

@media (min-width: 768px) {
  section {
    padding: var(--section-padding-desktop) 0;
  }
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .section-title {
    font-size: var(--text-5xl);
  }
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto;
}

/* ========== UTILITY CLASSES ========== */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-primary {
  color: var(--text-primary);
}

.text-secondary {
  color: var(--text-secondary);
}

.text-center {
  text-align: center;
}

/* ========== SELECTION ========== */
::selection {
  background-color: var(--primary);
  color: white;
}

::-moz-selection {
  background-color: var(--primary);
  color: white;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-600);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* ========== FOCUS STYLES ========== */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ========== PREFERS REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}