/* ==========================================================================
   Base Styles - Trade Masters Inc.
   ========================================================================== */

/* Modern CSS Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: #f5f3ef;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Improve media defaults */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Remove built-in form typography styles */
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

/* Avoid text overflows */
p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--text-primary);
}

h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-6);
}

h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-5);
}

h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

h4 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

h5 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

h6 {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

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

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

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

strong,
b {
  font-weight: var(--font-bold);
}

em,
i {
  font-style: italic;
}

small {
  font-size: var(--text-sm);
}

/* Lists */
ul,
ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

li {
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
}

/* Blockquote */
blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-6);
  margin: var(--space-6) 0;
  font-style: italic;
  color: var(--text-secondary);
}

/* Horizontal Rule */
hr {
  border: none;
  height: 1px;
  background-color: var(--color-light-gray);
  margin: var(--space-8) 0;
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

/* Scrollbar styling (optional) */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-cream);
}

::-webkit-scrollbar-thumb {
  background: var(--color-secondary-dark);
  border-radius: var(--radius-full);
}

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

/* Responsive font sizes */
@media (max-width: 768px) {
  h1 {
    font-size: var(--text-3xl);
  }

  h2 {
    font-size: var(--text-2xl);
  }

  h3 {
    font-size: var(--text-xl);
  }

  h4 {
    font-size: var(--text-lg);
  }
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-3) var(--space-4);
  z-index: var(--z-tooltip);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* Screen reader only */
.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;
}

/* ==========================================================================
   Scroll Animations
   ========================================================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Elements start hidden */
.animate-on-scroll {
  opacity: 0;
}

/* Animated state */
.animate-on-scroll.animated {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-on-scroll.animated.fade-only {
  animation: fadeIn 0.6s ease forwards;
}

.animate-on-scroll.animated.scale-in {
  animation: scaleIn 0.5s ease forwards;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll {
    opacity: 1;
  }

  .animate-on-scroll.animated {
    animation: none;
  }
}