/* Mathematics with Ash — editorial, resource, and legal page family. */

body.mwa-content-page {
  --ink: var(--mwa-text);
  --muted: var(--mwa-text-muted);
  --faint: var(--mwa-text-faint);
  --paper: var(--mwa-bg-page);
  --surface: var(--mwa-bg-surface);
  --band: var(--mwa-bg-subtle);
  --hairline: var(--mwa-border);
  --accent: var(--mwa-accent);
  --accent-ink: var(--mwa-text-amber);
  --accent-blue: var(--mwa-text-teal);
  --font-display: var(--mwa-font-serif);
  --font-body: var(--mwa-font-sans);
  --font-accent: var(--mwa-font-serif);
  --font-mono: var(--mwa-font-mono);
  --ease: var(--mwa-ease);
  --pad: var(--mwa-gutter);
  --maxw: var(--mwa-content);
  overflow-x: hidden;
}

body.mwa-content-page::before {
  display: none;
}

.mwa-content-page .wrap,
.mwa-content-page .fw-wrap {
  width: min(var(--mwa-content), calc(100% - (2 * var(--mwa-gutter))));
  max-width: none;
  margin-inline: auto;
  padding-inline: 0;
}

/* Site chrome */
.mwa-content-page > nav {
  position: sticky;
  inset-block-start: 0;
  z-index: 60;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--mwa-border) 78%, transparent);
  background: color-mix(in srgb, var(--mwa-bg-page) 88%, transparent);
  box-shadow: none;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.mwa-content-page > nav.scrolled {
  box-shadow: 0 10px 30px rgba(20, 43, 74, 0.08);
}

.mwa-content-page .nav-inner {
  width: min(var(--mwa-content), calc(100% - (2 * var(--mwa-gutter))));
  max-width: none;
  height: 4.75rem;
  margin-inline: auto;
  padding: 0;
}

.mwa-content-page .wordmark {
  gap: 0.7rem;
  color: var(--mwa-text);
  font-family: var(--mwa-font-sans);
  font-size: 0.92rem;
  font-weight: 820;
  letter-spacing: -0.02em;
  text-transform: none;
}

.mwa-content-page .wordmark::before {
  content: "M";
  width: 2.55rem;
  height: 2.55rem;
  border: 0;
  border-radius: 0.55rem;
  background: var(--mwa-logo-bg);
  box-shadow: 4px 4px 0 var(--mwa-accent);
  color: var(--mwa-logo-text);
  font-family: var(--mwa-font-serif);
  font-size: 1.45rem;
  font-style: normal;
  font-weight: 700;
}

.mwa-content-page .nav-links {
  gap: 0.15rem;
}

.mwa-content-page .nav-links a {
  border-radius: var(--mwa-radius-pill);
  color: var(--mwa-text-muted);
  font-size: 0.82rem;
  font-weight: 720;
  letter-spacing: -0.01em;
}

.mwa-content-page .nav-links a:hover,
.mwa-content-page .nav-links a.active {
  background: var(--mwa-bg-subtle);
  color: var(--mwa-text);
}

.mwa-content-page .nav-links .nav-cta {
  height: 2.55rem;
  margin-left: 0.45rem;
  padding-inline: 1rem;
  border: 1px solid var(--mwa-text);
  border-radius: var(--mwa-radius-pill);
  background: var(--mwa-accent);
  box-shadow: 3px 3px 0 var(--mwa-text);
  color: var(--mwa-text-on-accent) !important;
}

.mwa-content-page .nav-toggle {
  width: 2.75rem;
  height: 2.55rem;
  border: 1px solid var(--mwa-border);
  border-radius: var(--mwa-radius-md);
  background: var(--mwa-bg-surface);
  box-shadow: none;
}

.mwa-content-page .nav-toggle span {
  background: var(--mwa-text);
}

/* Editorial mastheads */
.mwa-content-page .page-head {
  position: relative;
  isolation: isolate;
  padding: clamp(4.5rem, 10vw, 8.5rem) 0 clamp(2.5rem, 5vw, 4.5rem);
}

.mwa-content-page .page-head::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 8% max(1rem, calc((100vw - var(--mwa-content)) / 2)) auto auto;
  width: clamp(8rem, 22vw, 18rem);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, color-mix(in srgb, var(--mwa-concept) 20%, transparent) 0 2px, transparent 3px),
    repeating-radial-gradient(circle at center, transparent 0 1.3rem, color-mix(in srgb, var(--mwa-concept) 18%, transparent) 1.35rem 1.45rem);
  opacity: 0.75;
}

.mwa-content-page .kicker,
.mwa-content-page .page-head .kicker,
.mwa-content-page .article-head .post-tag,
.mwa-content-page .post-card .post-tag,
.mwa-content-page .diag-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  border: 1px solid var(--mwa-border);
  border-radius: var(--mwa-radius-pill);
  background: color-mix(in srgb, var(--mwa-bg-surface) 90%, transparent);
  box-shadow: none;
  color: var(--mwa-text-teal);
  font-family: var(--mwa-font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1;
  padding: 0.55rem 0.8rem;
  text-transform: uppercase;
}

.mwa-content-page .page-head .kicker::before {
  width: 0.45rem;
  height: 0.45rem;
  background: var(--mwa-teaching);
}

.mwa-content-page .page-head h1,
.mwa-content-page .article-head h1,
.mwa-content-page .end-cta h2,
.mwa-content-page .diag-card__title {
  color: var(--mwa-text);
  font-family: var(--mwa-font-serif);
  font-weight: 700;
  letter-spacing: -0.05em;
  text-transform: none;
}

.mwa-content-page .page-head h1 {
  max-width: 14ch;
  margin-top: 1.35rem;
  font-size: clamp(3rem, 7vw, 6.6rem);
  line-height: 0.97;
}

.mwa-content-page .page-head .lede {
  max-width: 58ch;
  margin-top: 1.5rem;
  color: var(--mwa-text-muted);
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.7;
}

/* Hubs and feature cards */
.mwa-content-page .post-list {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  gap: 1.25rem;
  padding: 0 0 clamp(4.5rem, 9vw, 8rem);
}

.mwa-content-page .post-card,
.mwa-content-page .diag-card,
.mwa-content-page .article-byline {
  border: 1px solid var(--mwa-border);
  border-radius: var(--mwa-radius-xl);
  background: color-mix(in srgb, var(--mwa-bg-surface) 95%, transparent);
  box-shadow: var(--mwa-shadow-small);
}

.mwa-content-page .post-card {
  min-height: 23rem;
  padding: clamp(1.4rem, 3vw, 2rem);
  transform-origin: 50% 100%;
}

.mwa-content-page .post-card:nth-child(3n + 1) { border-top: 4px solid var(--mwa-teaching); }
.mwa-content-page .post-card:nth-child(3n + 2) { border-top: 4px solid var(--mwa-concept); }
.mwa-content-page .post-card:nth-child(3n + 3) { border-top: 4px solid var(--mwa-accent); }

.mwa-content-page .post-card:hover {
  border-color: color-mix(in srgb, var(--mwa-concept) 62%, var(--mwa-border));
  box-shadow: var(--mwa-shadow-soft);
  transform: translateY(-0.35rem);
}

.mwa-content-page .post-card h2 {
  margin-top: 1.25rem;
  color: var(--mwa-text);
  font-family: var(--mwa-font-serif);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.mwa-content-page .post-card .post-excerpt {
  margin-top: 1rem;
  color: var(--mwa-text-muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

.mwa-content-page .post-card .post-meta {
  margin-top: 1.6rem;
  color: var(--mwa-text-faint);
}

.mwa-content-page .post-card .read-more {
  color: var(--mwa-text-teal);
}

.mwa-content-page .diag-card {
  overflow: clip;
  border-width: 1px;
  box-shadow: 8px 8px 0 var(--mwa-accent), var(--mwa-shadow-soft);
}

.mwa-content-page .diag-card:hover {
  box-shadow: 11px 11px 0 var(--mwa-accent), var(--mwa-shadow-soft);
  transform: translate(-2px, -2px);
}

.mwa-content-page .diag-card__copy {
  padding: clamp(1.75rem, 4vw, 3.25rem);
}

.mwa-content-page .diag-card__title {
  max-width: 16ch;
  font-size: clamp(2.25rem, 4vw, 4.2rem);
  line-height: 1;
}

.mwa-content-page .diag-card__desc {
  color: var(--mwa-text-muted);
  line-height: 1.7;
}

.mwa-content-page .diag-card__skill {
  border: 1px solid var(--mwa-border);
  background: var(--mwa-bg-subtle);
  color: var(--mwa-text);
}

.mwa-content-page .diag-card__cta,
.mwa-content-page .btn-coral,
.mwa-content-page .btn-manage {
  border: 1px solid var(--mwa-text);
  border-radius: var(--mwa-radius-pill);
  background: var(--mwa-accent);
  box-shadow: 4px 4px 0 var(--mwa-text);
  color: var(--mwa-text-on-accent);
}

.mwa-content-page .diag-card__report {
  background: var(--mwa-bg-inverse);
}

.mwa-content-page .diag-report__target,
.mwa-content-page .diag-report__fill {
  border-color: var(--mwa-concept);
  background: var(--mwa-concept);
  color: #fff;
}

.mwa-content-page .diag-report__target { background: color-mix(in srgb, var(--mwa-concept) 34%, transparent); }
.mwa-content-page .diag-report__note { border-color: var(--mwa-teaching); }

/* Articles */
.mwa-content-page .article-head {
  padding: clamp(3.5rem, 8vw, 7rem) 0 0;
}

.mwa-content-page .article-head .wrap,
.mwa-content-page .article-body,
.mwa-content-page .article-byline,
.mwa-content-page .back-link {
  width: min(var(--mwa-reading), calc(100% - (2 * var(--mwa-gutter))));
  max-width: none;
}

.mwa-content-page .crumbs {
  color: var(--mwa-text-faint);
}

.mwa-content-page .crumbs a:hover,
.mwa-content-page .back-link a {
  color: var(--mwa-text-teal);
}

.mwa-content-page .article-head h1 {
  margin-top: 1.1rem;
  font-size: clamp(2.65rem, 6vw, 5.25rem);
  line-height: 0.98;
}

.mwa-content-page .article-head .article-meta {
  margin-top: 1.6rem;
  border-bottom: 1px solid var(--mwa-border);
  color: var(--mwa-text-faint);
}

.mwa-content-page .article-body {
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

.mwa-content-page .article-body p,
.mwa-content-page .article-body li {
  color: var(--mwa-text-muted);
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  line-height: 1.78;
}

.mwa-content-page .article-body > p:first-of-type {
  color: var(--mwa-text);
  font-size: clamp(1.15rem, 1.8vw, 1.32rem);
}

.mwa-content-page .article-body h2 {
  margin-top: clamp(2.75rem, 6vw, 4.5rem);
  color: var(--mwa-text);
  font-family: var(--mwa-font-serif);
  font-size: clamp(1.8rem, 3vw, 2.65rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.12;
  text-transform: none;
}

.mwa-content-page .article-body h3 {
  color: var(--mwa-text);
}

.mwa-content-page .article-body li {
  border-color: var(--mwa-border);
}

.mwa-content-page .article-body li::before {
  border-radius: 50%;
  background: var(--mwa-concept);
}

.mwa-content-page .article-body blockquote,
.mwa-content-page .article-body table {
  border: 1px solid var(--mwa-border);
  background: var(--mwa-bg-surface);
  box-shadow: var(--mwa-shadow-small);
}

.mwa-content-page .article-body blockquote {
  border-left: 4px solid var(--mwa-teaching);
  border-radius: 0 var(--mwa-radius-lg) var(--mwa-radius-lg) 0;
}

.mwa-content-page .article-body blockquote p {
  color: var(--mwa-text);
  font-family: var(--mwa-font-serif);
}

.mwa-content-page .article-body thead th {
  background: var(--mwa-bg-inverse);
}

.mwa-content-page .article-body tbody td {
  border-color: var(--mwa-border);
}

.mwa-content-page .article-body tbody tr:nth-child(even) td {
  background: var(--mwa-bg-subtle);
}

.mwa-content-page .article-byline {
  padding: 1.25rem;
}

/* Conversion footer */
.mwa-content-page .end-cta {
  padding: clamp(3.5rem, 7vw, 6.5rem) 0;
}

.mwa-content-page .end-cta .wrap {
  position: relative;
  overflow: hidden;
  border: 0;
  border-radius: clamp(1.5rem, 4vw, 3rem);
  background: var(--mwa-bg-inverse);
  box-shadow: 9px 9px 0 var(--mwa-accent);
  padding: clamp(2.5rem, 6vw, 5.5rem);
}

.mwa-content-page .end-cta .wrap::after {
  content: "y = f(x)";
  position: absolute;
  inset: auto -0.4rem -1.5rem auto;
  color: color-mix(in srgb, var(--mwa-text-inverse) 7%, transparent);
  font-family: var(--mwa-font-serif);
  font-size: clamp(5rem, 13vw, 11rem);
  font-style: italic;
  line-height: 1;
  pointer-events: none;
}

.mwa-content-page .end-cta .kicker {
  border-color: color-mix(in srgb, var(--mwa-text-inverse) 16%, transparent);
  background: color-mix(in srgb, var(--mwa-bg-inverse-deep) 60%, transparent);
  color: var(--mwa-amber-300);
}

.mwa-content-page .end-cta h2 {
  position: relative;
  z-index: 1;
  max-width: 17ch;
  color: var(--mwa-text-inverse);
  font-size: clamp(2.25rem, 5vw, 4.75rem);
}

.mwa-content-page .end-cta p,
.mwa-content-page .end-cta .btn {
  position: relative;
  z-index: 1;
}

.mwa-content-page footer,
.mwa-content-page .fw-footer {
  border-top: 1px solid color-mix(in srgb, var(--mwa-text-inverse) 12%, transparent);
  background: var(--mwa-bg-inverse-deep);
  color: var(--mwa-text-faint);
}

.mwa-content-page footer nav,
.mwa-content-page .fw-footer nav {
  position: static;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.mwa-content-page .footer-nav a:hover { color: var(--mwa-amber-300); }
.mwa-content-page footer .sig span { color: var(--mwa-accent); }

/* Privacy */
.mwa-content-page .fw-page,
.mwa-content-page .fw-layer {
  min-height: 0;
  background: transparent;
}

.mwa-content-page .legal__top {
  width: min(var(--mwa-content), calc(100% - (2 * var(--mwa-gutter))));
  max-width: none;
  padding: 1.5rem 0 0;
}

.mwa-content-page .fw-logo {
  color: var(--mwa-text);
  text-decoration: none;
}

.mwa-content-page .fw-logo__text {
  color: var(--mwa-text);
  font-family: var(--mwa-font-sans);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: none;
}

.mwa-content-page .fw-logo__mark {
  display: inline-grid;
  width: 2.7rem;
  height: 2.7rem;
  place-items: center;
  border: 0;
  border-radius: 0.55rem;
  background: var(--mwa-logo-bg);
  box-shadow: 4px 4px 0 var(--mwa-accent);
  color: var(--mwa-logo-text);
  font-family: var(--mwa-font-serif);
  font-style: normal;
}

.mwa-content-page .legal {
  width: min(var(--mwa-reading), calc(100% - (2 * var(--mwa-gutter))));
  max-width: none;
  padding: clamp(4rem, 9vw, 7rem) 0 5rem;
}

.mwa-content-page .legal__kicker {
  color: var(--mwa-text-teal);
}

.mwa-content-page .legal h1 {
  color: var(--mwa-text);
  font-family: var(--mwa-font-serif);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.98;
  text-transform: none;
}

.mwa-content-page .legal h2 {
  margin-top: 3.25rem;
  color: var(--mwa-text);
  font-family: var(--mwa-font-serif);
  font-size: clamp(1.55rem, 2.6vw, 2rem);
}

.mwa-content-page .legal p,
.mwa-content-page .legal li {
  color: var(--mwa-text-muted);
  line-height: 1.75;
}

.mwa-content-page .legal__card {
  border: 1px solid var(--mwa-border);
  border-left: 4px solid var(--mwa-teaching);
  background: var(--mwa-bg-surface);
  box-shadow: var(--mwa-shadow-small);
}

.mwa-content-page .legal code {
  border-color: var(--mwa-border);
  background: var(--mwa-bg-subtle);
  color: var(--mwa-text);
}

@media (max-width: 900px) {
  .mwa-content-page .nav-links {
    inset: 4.75rem 0 auto;
    border-bottom: 1px solid var(--mwa-border);
    background: var(--mwa-bg-page);
    padding-inline: var(--mwa-gutter);
  }

  .mwa-content-page .nav-links a:not(.nav-cta) {
    border-color: var(--mwa-border);
  }
}

@media (max-width: 640px) {
  .mwa-content-page .wordmark { font-size: 0; }
  .mwa-content-page .wordmark::after {
    content: "Mathematics with Ash";
    font-size: 0.88rem;
  }
  .mwa-content-page .post-card { min-height: 0; }
  .mwa-content-page .page-head::after { opacity: 0.4; }
  .mwa-content-page .legal__top { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .mwa-content-page *,
  .mwa-content-page *::before,
  .mwa-content-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}