/*
  F1Key Website - Layout System
  Grid, flexbox utilities, containers, and spacing
*/

/* ==================== */
/* ACCESSIBILITY UTILITIES */
/* ==================== */

/* Skip Navigation Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-ferrari-red);
  color: var(--color-white);
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  font-weight: 600;
  z-index: 10000;
  transition: top 0.3s ease;
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--color-white);
  outline-offset: 2px;
}

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

/* Enhanced Focus Visible */
*:focus-visible {
  outline: 2px solid var(--color-ferrari-red);
  outline-offset: 2px;
}

/* ==================== */
/* CONTAINERS */
/* ==================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: var(--content-max-width);
}

/* ==================== */
/* SECTIONS */
/* ==================== */

section {
  padding: var(--section-padding-y) var(--section-padding-x);
  position: relative;
}

.section-header {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.section-title {
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-ferrari-red);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
}

/* ==================== */
/* GRID SYSTEM */
/* ==================== */

.grid {
  display: grid;
  gap: var(--spacing-md);
}

/* Grid Column Variants */
.grid-cols-1 {
  grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Auto-fit grid (responsive) */
.grid-auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* Grid gaps */
.gap-xs {
  gap: var(--spacing-xs);
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.gap-xl {
  gap: var(--spacing-xl);
}

/* ==================== */
/* FLEXBOX UTILITIES */
/* ==================== */

.flex {
  display: flex;
}

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

/* Flex Direction */
.flex-row {
  flex-direction: row;
}

.flex-col {
  flex-direction: column;
}

.flex-row-reverse {
  flex-direction: row-reverse;
}

.flex-col-reverse {
  flex-direction: column-reverse;
}

/* Flex Wrap */
.flex-wrap {
  flex-wrap: wrap;
}

.flex-nowrap {
  flex-wrap: nowrap;
}

/* Justify Content */
.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

.justify-evenly {
  justify-content: space-evenly;
}

/* Align Items */
.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

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

.items-baseline {
  align-items: baseline;
}

.items-stretch {
  align-items: stretch;
}

/* Align Self */
.self-auto {
  align-self: auto;
}

.self-start {
  align-self: flex-start;
}

.self-end {
  align-self: flex-end;
}

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

.self-stretch {
  align-self: stretch;
}

/* Flex Grow/Shrink */
.flex-1 {
  flex: 1 1 0%;
}

.flex-auto {
  flex: 1 1 auto;
}

.flex-none {
  flex: none;
}

/* ==================== */
/* SPACING UTILITIES */
/* ==================== */

/* Margin */
.m-0 { margin: 0; }
.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }
.m-auto { margin: auto; }

/* Margin Top */
.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

/* Margin Bottom */
.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* Margin Left */
.ml-0 { margin-left: 0; }
.ml-xs { margin-left: var(--spacing-xs); }
.ml-sm { margin-left: var(--spacing-sm); }
.ml-md { margin-left: var(--spacing-md); }
.ml-lg { margin-left: var(--spacing-lg); }
.ml-xl { margin-left: var(--spacing-xl); }

/* Margin Right */
.mr-0 { margin-right: 0; }
.mr-xs { margin-right: var(--spacing-xs); }
.mr-sm { margin-right: var(--spacing-sm); }
.mr-md { margin-right: var(--spacing-md); }
.mr-lg { margin-right: var(--spacing-lg); }
.mr-xl { margin-right: var(--spacing-xl); }

/* Padding */
.p-0 { padding: 0; }
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Padding Top */
.pt-0 { padding-top: 0; }
.pt-xs { padding-top: var(--spacing-xs); }
.pt-sm { padding-top: var(--spacing-sm); }
.pt-md { padding-top: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }
.pt-xl { padding-top: var(--spacing-xl); }

/* Padding Bottom */
.pb-0 { padding-bottom: 0; }
.pb-xs { padding-bottom: var(--spacing-xs); }
.pb-sm { padding-bottom: var(--spacing-sm); }
.pb-md { padding-bottom: var(--spacing-md); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pb-xl { padding-bottom: var(--spacing-xl); }

/* ==================== */
/* DISPLAY UTILITIES */
/* ==================== */

.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.hidden { display: none; }

/* ==================== */
/* POSITION UTILITIES */
/* ==================== */

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* ==================== */
/* WIDTH & HEIGHT */
/* ==================== */

.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.h-auto { height: auto; }
.h-screen { height: 100vh; }

/* ==================== */
/* OVERFLOW */
/* ==================== */

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

/* ==================== */
/* RESPONSIVE UTILITIES */
/* ==================== */

@media (max-width: 968px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  section {
    padding: calc(var(--section-padding-y) * 0.7) var(--section-padding-x);
  }
  
  .section-header {
    margin-bottom: var(--spacing-lg);
  }
}

@media (max-width: 640px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  section {
    padding: calc(var(--section-padding-y) * 0.5) calc(var(--section-padding-x) * 0.8);
  }
  
  .section-header {
    margin-bottom: var(--spacing-md);
  }
  
  /* Mobile-specific flexbox */
  .flex-col-mobile {
    flex-direction: column;
  }
  
  /* Hide on mobile */
  .hidden-mobile {
    display: none;
  }
}

@media (min-width: 641px) {
  /* Hide on desktop */
  .hidden-desktop {
    display: none;
  }
}