/**
 * PK TimberCraft - Layout Architecture & 340px-1920px Grid System
 *
 * @package pk
 * @version 1.0.0
 */

/* ==========================================================================
   Defensive Reset & Baseline
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background-color: var(--color-timber-cream);
  color: var(--color-timber-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ==========================================================================
   Clean Editorial Headings & Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-timber-dark);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.015em;
  font-feature-settings: "liga" 1, "kern" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin-top: 0;
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

.font-display {
  font-family: var(--font-serif);
  font-feature-settings: "liga" 1, "kern" 1;
  letter-spacing: -0.015em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Master Containers & Layout Grid
   ========================================================================== */
.site-wrapper {
  width: 100%;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-container,
.site-content-inner,
.site-footer-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  width: 100%;
  padding-inline: var(--container-gutter);
  position: relative;
}

.site-container--wide {
  max-width: var(--container-wide, 1400px);
}

.site-container--narrow,
.content-narrow {
  max-width: var(--content-narrow, 840px);
  margin-inline: auto;
  width: 100%;
  padding-inline: var(--container-gutter);
}

.site-container--full {
  max-width: 100%;
}

.content-container {
  max-width: var(--content-max);
  margin-inline: auto;
  width: 100%;
  padding-inline: var(--container-gutter);
}

/* Full-Bleed Breakout (breaks out of containers to full screen width) */
.full-bleed,
.alignfull {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

.alignwide {
  max-width: var(--container-wide, 1400px);
  margin-inline: auto;
}

/* Hero Section (Always 100% full-width viewport background with contained text) */
.hero-section {
  width: 100%;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  background-color: var(--color-timber-dark);
  min-height: 420px;
}

.hero-section .site-container {
  position: relative;
  z-index: 2;
  padding-block: var(--space-lg);
}

@media (min-width: 768px) {
  .hero-section {
    min-height: clamp(520px, 72vh, 740px);
  }

  .hero-section .site-container {
    padding-block: var(--space-2xl);
  }
}


/* ==========================================================================
   Responsive Grid & Flex Utilities (Mobile-First)
   ========================================================================== */
.grid {
  display: grid;
  gap: var(--space-md);
}

.grid > * {
  min-width: 0; /* Prevents overflow inside grid items on 340px */
}

/* 2-Column Grid */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 3-Column Grid */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 480px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}

/* 4-Column Grid */
.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 480px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Flexbox Helpers */
.flex {
  display: flex;
}

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

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Section Spacing */
.section {
  padding-block: var(--space-xl);
}

.section-lg {
  padding-block: var(--space-2xl);
}

.section-sm {
  padding-block: var(--space-md);
}

/* Text & Typography Helpers */
.font-serif {
  font-family: var(--font-serif);
}

.font-sans {
  font-family: var(--font-sans);
}

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

.text-muted {
  color: var(--color-timber-muted);
}

/* Defensive Breakpoint Handlers for 340px */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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