/**
 * Main Stylesheet & Global Layout
 * Khaas Tech N Games
 */

@import url('variables.css');
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&display=swap');

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 62.5%; /* 1rem = 10px */
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: 1.5rem; /* 15px */
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--page-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter-lg);
  padding-right: var(--gutter-lg);
}

@media (max-width: 1024px) {
  .container {
    padding-left: var(--gutter-md);
    padding-right: var(--gutter-md);
  }
}
@media (max-width: 600px) {
  .container {
    padding-left: var(--gutter-sm);
    padding-right: var(--gutter-sm);
  }
}

/* Headings */
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  color: var(--heading-color);
  font-family: var(--font-primary);
  line-height: 1.25;
  margin-bottom: 0.8rem;
}

.h0, .hero-heading {
  font-size: clamp(3.2rem, 5vw, 6.4rem);
  font-weight: var(--font-weight-black);
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-transform: uppercase;
}

h1, .h1 {
  font-size: clamp(2.6rem, 3.5vw, 4.0rem);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.01em;
}

h2, .h2, .section-title {
  font-size: clamp(2.2rem, 2.5vw, 3.2rem);
  font-weight: var(--font-weight-black);
  letter-spacing: -0.01em;
  color: var(--heading-color);
}

h3, .h3 {
  font-size: clamp(1.8rem, 2vw, 2.2rem);
  font-weight: var(--font-weight-bold);
}

h4, .h4 {
  font-size: 1.4rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Section Shell */
.section {
  padding-top: var(--section-gap);
  padding-bottom: var(--section-gap);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 2.8rem;
}

.section-header .view-all-link {
  font-size: 1.4rem;
  font-weight: var(--font-weight-bold);
  color: var(--heading-color);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.section-header .view-all-link:hover {
  border-bottom-color: var(--heading-color);
}

/* Button Component System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  font-weight: var(--font-weight-bold);
  font-size: 1.4rem;
  padding: 1.2rem 2.8rem;
  border-radius: var(--btn-radius);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all var(--transition-normal);
  text-align: center;
  cursor: pointer;
  white-space: nowrap;
}

/* Primary Button: Dark background, Electric Lime text */
.btn-primary {
  background-color: var(--btn-bg-dark);
  color: var(--btn-text-lime);
  border: 1px solid var(--btn-bg-dark);
}

.btn-primary:hover, .btn-primary:focus-visible {
  background-color: var(--btn-bg-hover);
  border-color: var(--btn-bg-hover);
  color: var(--btn-text-lime);
}

/* Secondary Button: Electric Lime background, Dark text */
.btn-accent {
  background-color: var(--accent-lime);
  color: var(--heading-color);
  border: 1px solid var(--accent-lime);
}

.btn-accent:hover {
  background-color: #c9e61f;
}

/* Outline Button */
.btn-outline {
  background-color: transparent;
  color: var(--heading-color);
  border: 1px solid var(--heading-color);
}

.btn-outline:hover {
  background-color: var(--heading-color);
  color: var(--bg-color);
}

/* Icon Buttons */
.btn-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-color);
  border: 1px solid var(--card-border);
  color: var(--heading-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--heading-color);
  color: var(--bg-color);
  border-color: var(--heading-color);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.35rem 1.0rem;
  border-radius: var(--badge-radius);
  line-height: 1;
}

.badge-sale {
  background-color: var(--sale-badge);
  color: #ffffff;
}

.badge-new {
  background-color: var(--heading-color);
  color: var(--accent-lime);
}

.badge-stock {
  color: var(--in-stock);
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-stock.low-stock {
  color: var(--low-stock);
}

/* Filter Chips (Collection Toolbar) */
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.2rem;
  background-color: var(--pill-chip-bg);
  color: var(--heading-color);
  border-radius: var(--chip-radius);
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  transition: background-color var(--transition-fast);
}

.filter-chip:hover {
  background-color: #dedede;
}

.filter-chip .chip-remove {
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Modal and Drawer Backdrop Overlay */
.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  z-index: 990;
  backdrop-filter: blur(2px);
}

.drawer-backdrop.is-active {
  opacity: 1;
  visibility: visible;
}

/* Accessibility */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

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