/* ==========================================================================
   Base: reset, typography, utilities
   ========================================================================== */

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

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  background: var(--canvas);
  color: var(--fg-1);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.5;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
p {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--fg-1);
}

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

a.link,
.link {
  color: var(--fg-1);
  text-decoration: underline;
  text-decoration-color: var(--line-3);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--dur-1) var(--ease);
}

a.link:hover,
.link:hover {
  text-decoration-color: var(--fg-1);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
}

button:disabled {
  cursor: default;
}

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

svg {
  flex-shrink: 0;
}

code,
kbd,
pre,
.mono {
  font-family: var(--font-mono);
  font-feature-settings: "zero" 0;
}

.num,
.tabular {
  font-variant-numeric: tabular-nums;
}

::selection {
  background: var(--inv-bg);
  color: var(--inv-fg);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* Thin, quiet scrollbars */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--line-3) transparent;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-thumb {
  background: var(--line-3);
  border-radius: 10px;
  border: 3px solid transparent;
  background-clip: padding-box;
}

*::-webkit-scrollbar-thumb:hover {
  background-color: var(--line-4);
}

*::-webkit-scrollbar-track {
  background: transparent;
}

/* --- Typography helpers ------------------------------------------------- */

.micro {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
  line-height: 1.3;
}

.fg-1 { color: var(--fg-1); }
.fg-2 { color: var(--fg-2); }
.fg-3 { color: var(--fg-3); }
.fg-4 { color: var(--fg-4); }

.t-xs { font-size: var(--fs-xs); }
.t-sm { font-size: var(--fs-sm); }
.t-md { font-size: var(--fs-md); }
.t-lg { font-size: var(--fs-lg); }
.w-500 { font-weight: 500; }
.w-600 { font-weight: 600; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

/* --- Layout helpers ----------------------------------------------------- */

.row {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  min-width: 0;
}

.row.wrap { flex-wrap: wrap; }
.row.top { align-items: flex-start; }
.row.between { justify-content: space-between; }
.row.end { justify-content: flex-end; }
.row.gap-1 { gap: var(--s-1); }
.row.gap-3 { gap: var(--s-3); }
.row.gap-4 { gap: var(--s-4); }
.row.gap-6 { gap: var(--s-6); }

.col {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  min-width: 0;
}

.col.gap-1 { gap: var(--s-1); }
.col.gap-3 { gap: var(--s-3); }
.col.gap-4 { gap: var(--s-4); }
.col.gap-6 { gap: var(--s-6); }

.grow { flex: 1 1 auto; min-width: 0; }
.spacer { flex: 1 1 auto; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.center { text-align: center; }

.stack > * + * { margin-top: var(--s-4); }
.stack-lg > * + * { margin-top: var(--s-6); }

/* 12-column bento grid */
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--s-3);
}

.grid.gap-4 { gap: var(--s-4); }

.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

@media (max-width: 1180px) {
  .span-3 { grid-column: span 6; }
  .span-4,
  .span-5,
  .span-7,
  .span-8 { grid-column: span 12; }
  .span-6 { grid-column: span 12; }
}

@media (max-width: 720px) {
  .span-2,
  .span-3 { grid-column: span 12; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}