/* ========================================
   SOFRA - Base Styles
   ======================================== */

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

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

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

body.nav-open {
  overflow: hidden;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
}

h1 {
  font-size: var(--font-size-5xl);
  letter-spacing: var(--letter-spacing-tight);
}

h2 {
  font-size: var(--font-size-4xl);
  letter-spacing: var(--letter-spacing-tight);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Responsive Typography */
@media (max-width: 768px) {
  h1 {
    font-size: var(--font-size-4xl);
  }

  h2 {
    font-size: var(--font-size-3xl);
  }

  h3 {
    font-size: var(--font-size-2xl);
  }
}

/* ===== Links ===== */
a {
  color: var(--color-accent-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-accent-secondary);
}

a:focus {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  top: -120px;
  left: var(--space-md);
  z-index: var(--z-tooltip);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background-color: var(--color-text-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

/* ===== Lists ===== */
ul,
ol {
  list-style: none;
}

/* ===== Images ===== */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===== Buttons ===== */
button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
}

/* ===== Utility Classes ===== */

/* Text Alignment */
.text-center {
  text-align: center;
}

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

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

/* Text Colors */
.text-primary {
  color: var(--color-text-primary);
}

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

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

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

/* Font Weights */
.font-light {
  font-weight: var(--font-weight-light);
}

.font-normal {
  font-weight: var(--font-weight-normal);
}

.font-medium {
  font-weight: var(--font-weight-medium);
}

.font-semibold {
  font-weight: var(--font-weight-semibold);
}

.font-bold {
  font-weight: var(--font-weight-bold);
}

/* Letter Spacing */
.tracking-wide {
  letter-spacing: var(--letter-spacing-wide);
}

.tracking-wider {
  letter-spacing: var(--letter-spacing-wider);
}

/* Spacing Utilities */
.mb-sm {
  margin-bottom: var(--space-sm);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

.mb-2xl {
  margin-bottom: var(--space-2xl);
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

.mt-2xl {
  margin-top: var(--space-2xl);
}

/* Display Utilities */
.hidden {
  display: none;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

.flex {
  display: flex;
}

/* Visibility for Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--transition-slow) var(--ease-smooth),
    transform var(--transition-slow) var(--ease-smooth);
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transition: opacity var(--transition-slow) var(--ease-smooth);
}

.fade-in.visible {
  opacity: 1;
}

/* Smooth Scroll */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}