/* ==========================================================================
   Godot's Saves - Main Stylesheet
   Magazine-style editorial aesthetic inspired by beattitude.kr and Vice
   ========================================================================== */

/* Variables / Design Tokens
   ========================================================================== */

:root {
  /* Font Stack */
  --font-heading: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* Font Weights */
  --weight-regular: 400;
  --weight-bold: 700;
  --weight-black: 900;

  /* Font Sizes */
  --size-xs: 0.75rem;     /* 12px - tags, metadata */
  --size-sm: 0.875rem;    /* 14px - body small */
  --size-base: 1rem;      /* 16px - body */
  --size-lg: 1.25rem;     /* 20px - card titles */
  --size-xl: 1.5rem;      /* 24px - section headers */
  --size-2xl: 2rem;       /* 32px - page title */
  --size-3xl: 6rem;       /* 96px - hero text */

  /* Core Colors - High Contrast Black & White */
  --color-black: #000000;
  --color-white: #FFFFFF;

  /* Grays */
  --color-gray-100: #F5F5F5;
  --color-gray-200: #E5E5E5;
  --color-gray-300: #D4D4D4;
  --color-gray-500: #737373;
  --color-gray-700: #404040;
  --color-gray-900: #171717;

  /* Accent */
  --color-accent: #000000;

  /* Grid */
  --grid-columns: 12;
  --grid-gap: 1rem;
  --grid-gap-lg: 1.5rem;

  /* Container */
  --container-max: 1400px;
  --container-padding: 1.5rem;

  /* Breakpoints (for reference in media queries) */
  --bp-sm: 640px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
}

/* Reset & Base Styles
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--size-base);
  font-weight: var(--weight-regular);
  line-height: 1.6;
  color: var(--color-black);
  background-color: var(--color-white);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Container
   ========================================================================== */

.container {
  /* Full-width layout */
  max-width: none;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Header
   ========================================================================== */

.header {
  padding: 3rem 0 2rem;
  margin-bottom: 2rem;
}

.site-title {
  font-size: var(--size-3xl);
  font-weight: 900;
  -webkit-text-stroke: 3.5px var(--color-black);
  paint-order: stroke fill;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.site-description {
  font-size: var(--size-base);
  color: var(--color-gray-700);
}

/* Filter Bar
   ========================================================================== */

.filter-bar {
  position: sticky;
  top: 0;
  background-color: var(--color-white);
  padding: 1rem 0;
  margin-bottom: 2rem;
  z-index: 100;
}

.filter-pills {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Firefox */
}

.filter-pills::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.filter-btn {
  padding: 0.5rem 1rem;
  font-size: var(--size-sm);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  border: 2px solid var(--color-black);
  background-color: var(--color-white);
  color: var(--color-black);
  transition: all 0.15s ease;
}

.filter-btn:hover {
  background-color: var(--color-gray-100);
}

.filter-btn.active {
  background-color: var(--color-black);
  color: var(--color-white);
}

/* Grid Layout
   ========================================================================== */

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
  margin-bottom: 4rem;
  padding: 0 var(--container-padding);
}

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

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

@media (min-width: 1280px) {
  .grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Card Base Styles
   ========================================================================== */

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card[style*="display: none"] {
  display: none !important;
}

/* Card Image
   ========================================================================== */

.card__image,
.card__image-wrapper {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background-color: var(--color-gray-200);
}

.card__image-wrapper {
  position: relative;
  overflow: hidden;
}

.card__image-wrapper .card__image {
  width: 100%;
  height: 100%;
}

/* Card Content
   ========================================================================== */

.card__content {
  padding: 0.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card__header {
  margin-bottom: 0.75rem;
}

.card__source {
  display: inline-block;
  font-size: var(--size-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
  margin-bottom: 0.5rem;
}

.card__title {
  font-size: var(--size-lg);
  font-weight: var(--weight-bold);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.card__title a:hover {
  text-decoration: underline;
}

.card__description {
  font-size: var(--size-sm);
  color: var(--color-gray-700);
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1;
}

/* Card Metadata
   ========================================================================== */

.card__metadata {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: var(--size-xs);
  color: var(--color-gray-500);
  margin-bottom: 0.75rem;
}

.card__meta-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.card__meta-item strong {
  font-weight: var(--weight-bold);
  color: var(--color-black);
}

/* Card Tags
   ========================================================================== */

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.card__tag {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: var(--size-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-300);
}

/* Source-Specific Card Styles
   ========================================================================== */

/* All images use same aspect ratio - standardized layout */

/* Footer
   ========================================================================== */

.footer {
  padding: 2rem 0;
  border-top: 2px solid var(--color-black);
  margin-top: 4rem;
  text-align: center;
  color: var(--color-gray-500);
  font-size: var(--size-sm);
}

/* Utilities
   ========================================================================== */

.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;
}

/* Loading Spinner
   ========================================================================== */

.spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto;
  border: 4px solid var(--color-gray-200);
  border-top-color: var(--color-black);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Masthead Header with Background Image
   ========================================================================== */

.header--masthead {
  margin-bottom: 0;
}

.masthead {
  position: relative;
  width: 100%;
  height: 600px;
  background-image: url('/images/masthead.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.masthead__content {
  position: relative;
  height: 100%;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.masthead__text {
  display: inline-block;
  background: var(--color-white);
  padding: 1.5rem 2rem;
  margin-top: 3rem;
  max-width: fit-content;
}

.masthead__title {
  font-size: var(--size-3xl);
  font-weight: var(--weight-black);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0;
  color: var(--color-black);
}

.masthead__description {
  font-size: var(--size-base);
  font-weight: var(--weight-regular);
  margin: 0.5rem 0 0 0;
  color: var(--color-gray-700);
}

/* Filter bar within masthead */
.masthead .filter-bar {
  background: transparent;
  padding: 0;
  margin-bottom: 2rem;
}

.masthead .filter-bar .container {
  padding: 0;
}

.masthead .filter-pills {
  gap: 0;
}

.masthead .filter-btn {
  background: var(--color-white);
  color: var(--color-black);
  border: 2px solid var(--color-black);
  border-right: none;
  padding: 0.75rem 1.5rem;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: var(--size-sm);
}

.masthead .filter-btn:first-child {
  border-radius: 0;
}

.masthead .filter-btn:last-child {
  border-right: 2px solid var(--color-black);
}

.masthead .filter-btn.active {
  background: var(--color-black);
  color: var(--color-white);
}

.masthead .filter-btn:hover {
  background: var(--color-gray-900);
  color: var(--color-white);
}

/* Responsive masthead */
@media (max-width: 768px) {
  .masthead {
    height: 500px;
  }

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

  .masthead__text {
    padding: 1rem 1.5rem;
    margin-top: 2rem;
  }

  .masthead .filter-pills {
    flex-wrap: wrap;
  }

  .masthead .filter-btn {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
  }
}