/*
Theme Name: AI Replaced News 2026
Theme URI: https://news.aireplaced.me
Author: AI Replaced Me
Description: A modern editorial block theme for evidence-first reporting on AI and work.
Version: 2.1.0
Requires at least: 6.7
Requires PHP: 8.2
Text Domain: ai-replaced-news-2026
*/

@font-face {
  font-display: swap;
  font-family: "IBM Plex Sans";
  font-stretch: 100%;
  font-style: normal;
  font-weight: 400 700;
  src: url("./assets/fonts/ibm-plex-sans-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-display: swap;
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 500 700;
  src: url("./assets/fonts/source-serif-4-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --air-ink: #101414;
  --air-paper: #f2f1ec;
  --air-surface: #fff;
  --air-muted: #5d6363;
  --air-rule: #c8cbc7;
  --air-signal: #2457ff;
  --air-signal-ink: #fff;
  --air-max: 1280px;
  --air-gutter: clamp(1.15rem, 3vw, 3rem);
  --air-serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --air-sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--air-signal); color: var(--air-signal-ink); }
a { text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--air-signal);
  outline-offset: 3px;
}
.wp-site-blocks { min-height: 100vh; }

.air-shell {
  padding-inline: var(--air-gutter) !important;
}
.air-kicker,
.air-post-kicker,
.air-section-label {
  color: var(--air-muted);
  font-family: var(--air-sans);
  font-size: 0.72rem !important;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.3;
  text-transform: uppercase;
}

/* Header */
.air-header {
  background: color-mix(in srgb, var(--air-paper) 94%, transparent);
  border-bottom: 1px solid var(--air-rule);
  position: relative;
  z-index: 20;
}
.air-header-inner { min-height: 76px; }
.air-brand .wp-block-site-title {
  font-family: var(--air-sans);
  font-size: clamp(0.92rem, 1.3vw, 1.05rem) !important;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 0;
}
.air-brand .wp-block-site-title a { text-decoration: none; }
.air-brand-note {
  border-left: 1px solid var(--air-rule);
  color: var(--air-muted);
  font-size: 0.7rem !important;
  line-height: 1.25;
  margin: 0 0 0 0.8rem !important;
  max-width: 12rem;
  padding-left: 0.8rem;
}
.air-header .wp-block-navigation { font-size: 0.78rem; font-weight: 600; }
.air-header .wp-block-navigation-item__content { text-decoration: none; }
.air-header .wp-block-navigation-item__content:hover { color: var(--air-signal); }
.air-header .air-nav-signal .wp-block-navigation-item__content {
  background: var(--air-ink);
  color: var(--air-signal-ink);
  padding: 0.62rem 0.85rem;
}

/* Homepage masthead */
.air-home-hero {
  border-bottom: 1px solid var(--air-rule);
  padding-block: clamp(2.6rem, 6vw, 6.5rem);
}
.air-home-title {
  font-size: clamp(4rem, 11vw, 10.25rem) !important;
  letter-spacing: -0.065em !important;
  line-height: 0.78 !important;
  margin-bottom: clamp(2.5rem, 5vw, 5.5rem) !important;
  max-width: 8.1ch;
}
.air-home-deck {
  font-family: var(--air-serif);
  font-size: clamp(1.45rem, 2.4vw, 2.2rem) !important;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.12;
  max-width: 23ch;
}
.air-home-note {
  color: var(--air-muted);
  font-size: 0.85rem !important;
  max-width: 34ch;
}
.air-home-intro { align-self: flex-end; }
.air-lead-story { margin-top: clamp(2.8rem, 5vw, 5rem); }
.air-lead-story .wp-block-post-template { margin: 0; padding: 0; }
.air-lead-story .wp-block-post-template > li {
  display: grid;
  gap: clamp(1.25rem, 3vw, 3rem);
  grid-template-columns: minmax(0, 1.65fr) minmax(19rem, 0.85fr);
}
.air-lead-media { margin: 0 !important; overflow: hidden; }
.air-lead-media img {
  aspect-ratio: 16 / 10;
  height: 100%;
  object-fit: cover;
  transition: transform 450ms ease;
}
.air-lead-media:hover img { transform: scale(1.015); }
.air-lead-copy {
  align-self: end;
  border-top: 4px solid var(--air-signal);
  padding-top: 1rem;
}
.air-lead-copy .wp-block-post-title {
  font-size: clamp(2.15rem, 4vw, 4.8rem) !important;
  margin-block: 0.7rem 1rem;
}
.air-lead-copy .wp-block-post-title a,
.air-report-grid .wp-block-post-title a { text-decoration: none; }
.air-lead-copy .wp-block-post-title a:hover,
.air-report-grid .wp-block-post-title a:hover { color: var(--air-signal); }
.air-lead-copy .wp-block-post-excerpt { font-size: 0.95rem; line-height: 1.6; }
.air-lead-copy .wp-block-post-excerpt__more-link { font-weight: 700; }

/* Briefing and book */
.air-briefing-band {
  background: var(--air-ink);
  color: #f6f5f0;
  padding-block: clamp(2.5rem, 5vw, 5rem);
}
.air-briefing-band a { color: inherit; }
.air-briefing-grid {
  display: grid !important;
  gap: 1px;
  grid-template-columns: 1.15fr 0.85fr;
}
.air-briefing-panel,
.air-book-panel {
  min-height: 21rem;
  padding: clamp(1.5rem, 4vw, 3.5rem);
}
.air-briefing-panel {
  background: #171d1e;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.air-book-panel {
  background: var(--air-signal);
  color: var(--air-signal-ink);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.air-briefing-panel h2,
.air-book-panel h2 {
  color: inherit;
  font-size: clamp(2.4rem, 5vw, 5.5rem) !important;
  max-width: 9ch;
}
.air-briefing-panel p,
.air-book-panel p { max-width: 42ch; }
.air-briefing-panel .air-section-label,
.air-footer .air-section-label { color: #b4bcba !important; }
.air-book-panel .air-section-label { color: inherit !important; }
.air-subscribe form {
  align-items: stretch;
  display: flex;
  gap: 0.65rem;
  max-width: 38rem;
}
.air-subscribe form br { display: none; }
.air-subscribe #subscribe-email {
  flex: 1;
  margin: 0 !important;
}
.air-subscribe #subscribe-submit { margin: 0 !important; }
.air-subscribe input[type="email"] {
  appearance: none;
  background: #22292a !important;
  border: 1px solid #4b5554 !important;
  border-radius: 0;
  box-shadow: none !important;
  color: #fff;
  flex: 1;
  font-family: var(--air-sans);
  font-size: 0.9rem;
  min-height: 56px;
  padding: 0.8rem 1rem !important;
  transition: background-color 180ms ease, border-color 180ms ease;
  width: 100% !important;
}
.air-subscribe input[type="email"]::placeholder { color: #aeb6b4; opacity: 1; }
.air-subscribe input[type="email"]:focus {
  background: #293132 !important;
  border-color: #fff !important;
  outline: 3px solid var(--air-signal);
  outline-offset: 2px;
}
.air-subscribe button,
.air-subscribe input[type="submit"] {
  background: #fff;
  border: 1px solid #fff;
  border-radius: 0;
  color: var(--air-ink);
  font-family: var(--air-sans);
  font-size: 0.72rem;
  font-weight: 700;
  min-height: 56px;
  padding-inline: 1.25rem;
  text-transform: uppercase;
}
.air-subscribe button:hover,
.air-subscribe input[type="submit"]:hover {
  background: var(--air-signal);
  border-color: var(--air-signal);
  color: #fff;
}
.air-book-panel .wp-block-button__link {
  background: #fff;
  color: #1742d4;
}
.air-book-top {
  display: grid !important;
  gap: clamp(1rem, 2.5vw, 2rem);
  grid-template-columns: minmax(0, 1fr) minmax(7.5rem, 35%);
}
.air-book-cover {
  align-self: start;
  filter: drop-shadow(0 1.25rem 1.5rem rgb(6 20 70 / 0.28));
  margin: 0 !important;
  transform: rotate(1.5deg);
}
.air-book-cover img { display: block; height: auto; width: 100%; }

/* Reporting grid */
.air-reporting { padding-block: clamp(4rem, 8vw, 8rem); }
.air-section-heading {
  font-size: clamp(3.1rem, 7vw, 7.5rem) !important;
  margin-bottom: clamp(2.5rem, 5vw, 5rem) !important;
}
.air-report-grid {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}
.air-report-grid > li {
  border-top: 1px solid var(--air-rule);
  min-width: 0;
  padding: clamp(1.5rem, 3vw, 3rem) 0;
}
.air-report-grid > li:nth-child(odd) { padding-right: clamp(1rem, 3vw, 3rem); }
.air-report-grid > li:nth-child(even) {
  border-left: 1px solid var(--air-rule);
  padding-left: clamp(1rem, 3vw, 3rem);
}
.air-report-grid > li:nth-child(5n) {
  border-left: 0;
  grid-column: 1 / -1;
  padding-inline: 0;
}
.air-report-grid > li:nth-child(5n) .air-report-card {
  display: grid;
  gap: clamp(1.5rem, 4vw, 4rem);
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
}
.air-report-media { margin: 0 0 1.25rem !important; overflow: hidden; }
.air-report-media img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 400ms ease;
}
.air-report-media:hover img { transform: scale(1.018); }
.air-report-grid .wp-block-post-title {
  font-size: clamp(1.75rem, 3vw, 3rem) !important;
  margin-block: 0.55rem 0.85rem;
}
.air-report-grid .wp-block-post-excerpt { color: var(--air-muted); font-size: 0.9rem; line-height: 1.65; }
.air-report-grid .wp-block-post-excerpt__more-link { color: var(--air-ink); font-weight: 700; }
.air-report-meta { color: var(--air-muted); font-size: 0.7rem; }
.air-pagination {
  border-top: 1px solid var(--air-rule);
  font-size: 0.8rem;
  font-weight: 700;
  margin-top: 2rem;
  padding-top: 1.5rem;
}
.air-pagination a { text-decoration: none; }
.air-pagination .current { color: var(--air-signal); }

/* Podcast */
.air-podcast-band { border-top: 1px solid var(--air-rule); padding-block: clamp(3rem, 6vw, 6rem); }
.air-podcast-title { font-size: clamp(2.5rem, 5vw, 5rem) !important; max-width: 11ch; }
.air-podcast-frame iframe { border-radius: 0 !important; display: block; }

/* Articles and pages */
.air-article-hero,
.air-page-hero,
.air-archive-hero {
  border-bottom: 1px solid var(--air-rule);
  padding-block: clamp(3rem, 7vw, 7rem);
}
.air-article-title,
.air-page-title,
.air-archive-title {
  font-size: clamp(3.25rem, 8vw, 8.5rem) !important;
  letter-spacing: -0.055em !important;
  line-height: 0.88 !important;
  margin-block: 1.25rem 2rem !important;
  max-width: 12ch;
}
.air-article-deck {
  font-family: var(--air-serif);
  font-size: clamp(1.3rem, 2.3vw, 2rem) !important;
  line-height: 1.28;
  max-width: 32ch;
}
.air-article-meta { color: var(--air-muted); font-size: 0.75rem; gap: 1rem !important; }
.air-article-image {
  margin-block: clamp(2rem, 4vw, 4rem) 0 !important;
}
.air-article-image img { max-height: 780px; object-fit: cover; width: 100%; }
.air-reading-wrap { padding-block: clamp(3rem, 7vw, 7rem); }
.air-reading-wrap .wp-block-post-content > :where(p, ul, ol, h2, h3, h4, blockquote, hr) { max-width: 720px; }
.air-reading-wrap .wp-block-post-content > :where(figure, .wp-block-image, .wp-block-embed) { max-width: 960px; }
.air-reading-wrap .wp-block-post-content :where(p, li) { hanging-punctuation: first last; }
.air-reading-wrap .wp-block-post-content > p:first-child::first-letter {
  float: left;
  font-family: var(--air-serif);
  font-size: 4.6rem;
  font-weight: 600;
  line-height: 0.72;
  margin: 0.17em 0.11em 0 0;
}
.air-reading-wrap .wp-block-post-content h2 {
  border-top: 1px solid var(--air-rule);
  font-size: clamp(2rem, 4vw, 3.4rem);
  margin-top: 2.4em;
  padding-top: 0.55em;
}
.air-reading-wrap .wp-block-post-content h3 { font-size: 1.65rem; margin-top: 2.2em; }
.air-reading-wrap .wp-block-post-content hr { border-color: var(--air-rule); margin-block: 3.5rem; }
.air-reading-wrap .wp-block-post-content a { color: var(--air-signal); }
.air-reading-wrap .wp-block-quote {
  border: 0;
  border-block: 1px solid var(--air-ink);
  font-family: var(--air-serif);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.35;
  margin-block: 3rem;
  padding-block: 1.4rem;
}
.air-tags {
  border-top: 1px solid var(--air-rule);
  color: var(--air-muted);
  font-size: 0.75rem;
  margin-top: 4rem;
  padding-top: 1.25rem;
}
.air-tags a { color: var(--air-ink); }

/* Footer */
.air-footer {
  background: var(--air-ink);
  color: #f4f3ee;
  margin-top: clamp(3rem, 8vw, 8rem);
  padding-block: clamp(3rem, 6vw, 6rem);
}
.air-footer a { color: inherit; }
.air-footer-title {
  color: inherit;
  font-size: clamp(3.4rem, 9vw, 9rem) !important;
  letter-spacing: -0.065em !important;
  line-height: 0.78 !important;
  margin-bottom: 3rem !important;
  max-width: 8ch;
}
.air-footer-grid {
  border-top: 1px solid #444a4a;
  display: grid !important;
  gap: 2rem;
  grid-template-columns: 1.5fr 1fr 1fr;
  padding-top: 1.5rem;
}
.air-footer-nav { font-size: 0.82rem; }
.air-footer-note { color: #adb3b1; font-size: 0.78rem !important; max-width: 38ch; }

/* Dark mode follows the reader's operating system. */
@media (prefers-color-scheme: dark) {
  :root {
    --air-ink: #eff0eb;
    --air-paper: #0d1112;
    --air-surface: #14191a;
    --air-muted: #a3aaa8;
    --air-rule: #343a3a;
    --air-signal: #7392ff;
    --air-signal-ink: #071335;
  }
  body { background: var(--air-paper); color: var(--air-ink); }
  body a { color: var(--air-ink); }
  .air-header { background: var(--air-paper); }
  .air-header .air-nav-signal .wp-block-navigation-item__content { background: var(--air-signal); color: var(--air-signal-ink); }
  .air-briefing-band,
  .air-footer { background: #080b0c; color: #f2f3ee; }
  .air-briefing-panel { background: #13191a; }
  .air-report-grid .wp-block-post-excerpt__more-link,
  .air-tags a { color: var(--air-ink); }
}

@media (max-width: 900px) {
  .air-brand-note { display: none; }
  .air-lead-story .wp-block-post-template > li,
  .air-report-grid > li:nth-child(5n) .air-report-card { grid-template-columns: 1fr; }
  .air-briefing-grid { grid-template-columns: 1fr; }
  .air-briefing-panel,
  .air-book-panel { min-height: 18rem; }
}

@media (max-width: 680px) {
  .air-header-inner { min-height: 64px; }
  .air-header .wp-block-navigation__responsive-container.is-menu-open {
    background: var(--air-paper) !important;
    color: var(--air-ink) !important;
    padding: 1.25rem;
  }
  .air-header .wp-block-navigation__responsive-container-content { align-items: flex-start !important; }
  .air-header .wp-block-navigation__container { align-items: flex-start !important; gap: 1.15rem !important; }
  .air-header .wp-block-navigation-item__content { font-family: var(--air-serif); font-size: 2rem; }
  .air-header .air-nav-signal .wp-block-navigation-item__content { font-family: var(--air-sans); font-size: 0.78rem; }
  .air-home-hero { padding-top: 2.5rem; }
  .air-home-title { font-size: clamp(4rem, 22vw, 6.4rem) !important; margin-bottom: 2.3rem !important; }
  .air-home-intro-columns { gap: 1.4rem !important; }
  .air-lead-story { margin-top: 2.5rem; }
  .air-lead-story .wp-block-post-template > li { gap: 1rem; }
  .air-lead-copy .wp-block-post-title { font-size: 2.25rem !important; }
  .air-briefing-panel,
  .air-book-panel { min-height: 20rem; padding: 1.5rem; }
  .air-subscribe form { display: block; }
  .air-subscribe input[type="email"],
  .air-subscribe button,
  .air-subscribe input[type="submit"] { width: 100%; }
  .air-subscribe button,
  .air-subscribe input[type="submit"] { margin-top: 0.6rem; }
  .air-report-grid { grid-template-columns: 1fr; }
  .air-report-grid > li,
  .air-report-grid > li:nth-child(odd),
  .air-report-grid > li:nth-child(even),
  .air-report-grid > li:nth-child(5n) {
    border-left: 0;
    grid-column: auto;
    padding-inline: 0;
  }
  .air-report-grid .wp-block-post-title { font-size: 2rem !important; }
  .air-article-title,
  .air-page-title,
  .air-archive-title { font-size: clamp(3.2rem, 16vw, 5.3rem) !important; }
  .air-article-image { margin-inline: calc(-1 * var(--air-gutter)) !important; }
  .air-reading-wrap .wp-block-post-content > p:first-child::first-letter { font-size: 3.9rem; }
  .air-footer-grid { grid-template-columns: 1fr; }
  .air-footer-title { font-size: clamp(4rem, 21vw, 6.5rem) !important; }
}

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