/*
 * Birxlabs reusable UI styles.
 * Source of truth: Birxlabs Brand Guide.
 * No reset, framework, font binaries, React components or application code included.
 */

:root {
  --bl-paper: #F2EEE5;
  --bl-ink: #252723;
  --bl-clay: #984B35;
  --bl-linen: #D9D0BE;

  --bl-forest: #455A4D;
  --bl-forest-tint: #D8D8CE;
  --bl-fjord: #496675;
  --bl-fjord-tint: #D9DAD4;
  --bl-ochre: #B58A42;
  --bl-ochre-tint: #E9DFCD;
  --bl-heather: #796878;
  --bl-heather-tint: #E0DAD5;

  --bl-font-display: "P052", Georgia, serif;
  --bl-font-sans: "Nimbus Sans", Arial, sans-serif;

  --bl-space-1: 4px;
  --bl-space-2: 8px;
  --bl-space-3: 12px;
  --bl-space-4: 16px;
  --bl-space-6: 24px;
  --bl-space-8: 32px;
  --bl-space-12: 48px;
  --bl-space-16: 64px;
  --bl-space-24: 96px;

  --bl-page-mobile: 24px;
  --bl-page-desktop-compact: 44px;
  --bl-page-desktop: 48px;
  --bl-grid-gutter-tight: 16px;
  --bl-grid-gutter: 24px;
  --bl-panel-padding: 32px;

  --bl-radius: 0px;
  --bl-border: 1px;
  --bl-min-target: 44px;
  --bl-button-height: 46px;
  --bl-input-height: 48px;
  --bl-input-padding-x: 14px;
  --bl-button-padding-x: 20px;

  --bl-focus-width: 3px;
  --bl-focus-offset: 4px;

  --bl-motion-fast: 160ms;
  --bl-motion-ui: 200ms;
  --bl-motion-calm: 240ms;
  --bl-motion-editorial: 360ms;
}

/* Layout */
.bl-container {
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: var(--bl-page-mobile);
}

.bl-reading {
  width: 100%;
  max-width: 760px;
}

.bl-reading--narrow {
  max-width: 680px;
}

.bl-grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--bl-grid-gutter-tight);
}

.bl-section {
  padding-block: var(--bl-space-16);
}

@media (min-width: 1024px) {
  .bl-container {
    padding-inline: var(--bl-page-desktop);
  }

  .bl-container--compact {
    padding-inline: var(--bl-page-desktop-compact);
  }

  .bl-grid-12 {
    gap: var(--bl-grid-gutter);
  }

  .bl-section {
    padding-block: var(--bl-space-24);
  }
}

/* Typography */
.bl-display,
.bl-section-title {
  margin: 0;
  font-family: var(--bl-font-display);
  font-weight: 400;
}

.bl-display {
  font-size: 44px;
  line-height: 48px;
  letter-spacing: -0.03em;
}

.bl-section-title {
  font-size: 32px;
  line-height: 38px;
  letter-spacing: -0.02em;
}

.bl-card-title {
  margin: 0;
  font-family: var(--bl-font-sans);
  font-size: 22px;
  line-height: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.bl-intro,
.bl-body,
.bl-nav,
.bl-label,
.bl-eyebrow {
  font-family: var(--bl-font-sans);
  font-weight: 400;
}

.bl-intro {
  font-size: 18px;
  line-height: 28px;
}

.bl-body {
  font-size: 16px;
  line-height: 26px;
}

.bl-nav {
  font-size: 16px;
  line-height: 24px;
}

.bl-label {
  font-size: 14px;
  line-height: 20px;
}

.bl-eyebrow {
  font-size: 12px;
  line-height: 18px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

@media (min-width: 768px) and (max-width: 1023px) {
  .bl-display {
    font-size: 56px;
    line-height: 60px;
  }

  .bl-section-title {
    font-size: 36px;
    line-height: 42px;
  }
}

@media (min-width: 1024px) {
  .bl-display {
    font-size: 72px;
    line-height: 76px;
  }

  .bl-section-title {
    font-size: 40px;
    line-height: 46px;
  }

  .bl-card-title {
    font-size: 24px;
    line-height: 30px;
  }

  .bl-intro {
    font-size: 20px;
    line-height: 30px;
  }

  .bl-body {
    font-size: 18px;
    line-height: 28px;
  }
}

/* Controls */
.bl-label-control {
  display: block;
  margin-bottom: 7px;
  font-family: var(--bl-font-sans);
  font-size: 12px;
  line-height: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bl-ink);
}

.bl-input,
.bl-select,
.bl-textarea {
  width: 100%;
  border: var(--bl-border) solid #a9a596;
  border-radius: var(--bl-radius);
  background: var(--bl-paper);
  color: var(--bl-ink);
  font-family: var(--bl-font-sans);
  font-size: 16px;
}

.bl-input,
.bl-select {
  height: var(--bl-input-height);
  padding-inline: var(--bl-input-padding-x);
}

.bl-textarea {
  min-height: 144px;
  padding: 12px 14px;
  resize: vertical;
}

.bl-field + .bl-field {
  margin-top: 20px;
}

.bl-button {
  min-width: var(--bl-min-target);
  height: var(--bl-button-height);
  padding-inline: var(--bl-button-padding-x);
  border: var(--bl-border) solid var(--bl-ink);
  border-radius: var(--bl-radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--bl-font-sans);
  font-size: 16px;
  line-height: 24px;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--bl-motion-ui) ease-out,
    color var(--bl-motion-ui) ease-out,
    opacity var(--bl-motion-ui) ease-out,
    transform var(--bl-motion-ui) ease-out;
}

.bl-button--primary {
  background: var(--bl-clay);
  border-color: var(--bl-clay);
  color: var(--bl-paper);
}

.bl-button--primary:hover {
  background: var(--bl-ink);
  border-color: var(--bl-ink);
}

.bl-button--secondary {
  background: transparent;
  color: var(--bl-ink);
}

.bl-button--secondary:hover {
  background: var(--bl-ink);
  color: var(--bl-paper);
}

.bl-button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.bl-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.bl-link {
  color: var(--bl-clay);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.bl-input:focus-visible,
.bl-select:focus-visible,
.bl-textarea:focus-visible,
.bl-button:focus-visible,
.bl-link:focus-visible,
.bl-focusable:focus-visible {
  outline: var(--bl-focus-width) solid var(--bl-ink);
  outline-offset: var(--bl-focus-offset);
}

.bl-on-ink .bl-button:focus-visible,
.bl-on-ink .bl-link:focus-visible,
.bl-on-ink .bl-focusable:focus-visible {
  outline-color: var(--bl-paper);
}

/* Surfaces */
.bl-panel,
.bl-card {
  border-radius: var(--bl-radius);
  padding: var(--bl-panel-padding);
}

.bl-panel {
  border: var(--bl-border) solid rgba(37, 39, 35, 0.2);
  background: var(--bl-paper);
  color: var(--bl-ink);
}

.bl-card {
  background: var(--bl-linen);
  color: var(--bl-ink);
}

.bl-panel--dark {
  border-color: var(--bl-ink);
  background: var(--bl-ink);
  color: var(--bl-paper);
}

.bl-rule-card {
  border-top: var(--bl-border) solid currentColor;
  padding-top: 18px;
}

/* Logo icon only. Do not redraw the mark. */
.bl-logo-icon {
  display: block;
  width: 48px;
  height: auto;
}

.bl-logo-icon--minimum {
  width: 32px;
}

/* Motion */
.bl-hover-shift {
  transition:
    transform var(--bl-motion-ui) ease-out,
    opacity var(--bl-motion-ui) ease-out;
}

.bl-hover-shift:hover {
  transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
  .bl-button,
  .bl-hover-shift {
    transition: none;
    transform: none;
  }
}