/*
Theme Name: Signal
Theme URI: https://signal.weesefamily.ca
Author: Infinite Muse Arts
Author URI: https://infinitemusearts.com
Description: A Canada-first editorial theme for the AI-led Signal news publication. Built around three daily news categories: Canada, NorthAmerica, and World.
Version: 1.0.2
Requires at least: 6.4
Tested up to: 6.8
Requires PHP: 8.1
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: signal
Tags: news, blog, dark, one-column, custom-logo, featured-images, threaded-comments, translation-ready
*/

:root {
  --signal-graphite: #080c0b;
  --signal-panel: #101613;
  --signal-paper: #eef2ee;
  --signal-muted: #8d9891;
  --signal-rule: #344039;
  --signal-lime: #caff32;
  --signal-cyan: #38dff5;
  --signal-content: 1480px;
  --signal-gutter: clamp(1.2rem, 4.6vw, 5rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--signal-graphite);
  color: var(--signal-paper);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.admin-bar .signal-site-header {
  top: 32px;
}

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

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

p {
  margin-top: 0;
}

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

::selection {
  background: var(--signal-lime);
  color: var(--signal-graphite);
}

:focus-visible {
  outline: 2px solid var(--signal-lime);
  outline-offset: 4px;
}

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.screen-reader-text:focus {
  z-index: 100000;
  top: 8px;
  left: 8px;
  width: auto;
  height: auto;
  clip: auto;
  padding: .8rem 1rem;
  background: var(--signal-lime);
  color: var(--signal-graphite);
}

.signal-site {
  min-height: 100vh;
  overflow: clip;
}

.signal-shell {
  width: min(100%, var(--signal-content));
  margin-inline: auto;
}

/* Header */

.signal-site-header {
  position: relative;
  z-index: 50;
  min-height: 110px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 0 var(--signal-gutter);
  border-bottom: 1px solid var(--signal-rule);
  background: rgb(8 12 11 / 96%);
}

.signal-brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.signal-brand-text {
  font-size: clamp(2.25rem, 4vw, 4.1rem);
  font-weight: 300;
  letter-spacing: .28em;
  line-height: 1;
}

.signal-brand .custom-logo {
  width: auto;
  max-width: min(360px, 34vw);
  max-height: 68px;
}

.signal-primary-nav {
  display: flex;
  justify-content: center;
  gap: clamp(1.25rem, 2.2vw, 2.5rem);
  padding-inline: 2rem;
}

.signal-primary-nav a {
  position: relative;
  padding: 1rem 0;
  font-size: .92rem;
  letter-spacing: .03em;
}

.signal-primary-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 5px;
  height: 2px;
  background: var(--signal-lime);
  transition: right 180ms ease;
}

.signal-primary-nav a:hover::after,
.signal-primary-nav a[aria-current="page"]::after {
  right: 0;
}

.signal-mark-link {
  padding: 1.2rem 0 1.2rem 2.3rem;
  border-left: 1px solid var(--signal-rule);
}

.signal-mark {
  width: 44px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
}

.signal-mark i {
  display: block;
  width: 2px;
  background: var(--signal-lime);
}

.signal-mark i:nth-child(1),
.signal-mark i:nth-child(5) {
  height: 13px;
}

.signal-mark i:nth-child(2),
.signal-mark i:nth-child(4) {
  height: 24px;
}

.signal-mark i:nth-child(3) {
  height: 32px;
}

.signal-mobile-menu {
  display: none;
}

/* Type and shared controls */

.signal-eyebrow,
.signal-category {
  margin: 0 0 1.5rem;
  color: var(--signal-muted);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .2em;
}

.signal-serif {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.signal-category--lime {
  color: var(--signal-lime);
}

.signal-category--cyan {
  color: var(--signal-cyan);
}

.signal-short-rule {
  display: block;
  width: 38px;
  height: 2px;
  margin: 3rem 0 2.2rem;
  background: var(--signal-lime);
}

.signal-ai-stamp {
  width: max-content;
  max-width: 100%;
  padding: .8rem 1.1rem;
  border: 1px solid #536059;
  color: #b7c0ba;
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.signal-ai-stamp span {
  margin-right: .7rem;
  color: var(--signal-cyan);
  font-size: 1.1rem;
}

.signal-text-cta {
  display: flex;
  align-items: center;
  gap: 2rem;
  width: max-content;
  margin-top: 3.3rem;
  color: var(--signal-lime);
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.signal-text-cta--cyan {
  color: var(--signal-cyan);
}

.signal-arrow {
  display: inline-block;
  font-size: 2rem;
  font-weight: 200;
  line-height: .5;
  transition: transform 180ms ease;
}

a:hover .signal-arrow {
  transform: translateX(7px);
}

/* Front-page hero */

.signal-hero {
  position: relative;
  min-height: 850px;
  overflow: hidden;
  padding: clamp(4rem, 7vw, 7rem) var(--signal-gutter) 3rem;
  border-bottom: 1px solid var(--signal-rule);
}

.signal-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgb(56 223 245 / 13%) 1px, transparent 1px);
  background-size: 20px 20px;
  -webkit-mask-image: linear-gradient(to left, black, transparent 70%);
  mask-image: linear-gradient(to left, black, transparent 70%);
  pointer-events: none;
}

.signal-hero-copy {
  position: relative;
  z-index: 3;
  width: min(63%, 900px);
}

.signal-hero-title {
  max-width: 1000px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.5rem, 6.35vw, 6.5rem);
  font-weight: 400;
  line-height: .94;
  letter-spacing: -.045em;
  text-wrap: balance;
}

.signal-field {
  position: absolute;
  z-index: 1;
  top: 95px;
  right: -4%;
  left: 40%;
  height: 420px;
  overflow: hidden;
  border-bottom: 1px solid var(--signal-rule);
  opacity: .75;
}

.signal-field::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--signal-graphite), transparent 35%, transparent 75%, var(--signal-graphite));
}

.signal-wave {
  position: absolute;
  top: calc(90px + (var(--wave-index) * 8px));
  left: -5%;
  width: 112%;
  height: 230px;
  border-top: 1px solid rgb(56 223 245 / 28%);
  border-radius: 50% 42% 50% 44%;
  transform: skewY(calc((var(--wave-index) - 10) * .08deg)) rotate(calc((var(--wave-index) - 10) * .11deg));
  filter: drop-shadow(0 0 1px rgb(56 223 245 / 20%));
}

.signal-clarity {
  position: absolute;
  z-index: 2;
  top: 120px;
  left: 67%;
  padding-left: 1.5rem;
  border-left: 1px solid var(--signal-rule);
  color: var(--signal-cyan);
  font-family: "Courier New", monospace;
  font-size: .68rem;
  line-height: 1.7;
  letter-spacing: .15em;
}

.signal-clarity b {
  position: absolute;
  top: 0;
  left: -5px;
  display: block;
  width: 9px;
  height: 9px;
  background: var(--signal-lime);
}

.signal-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 620px;
  margin-top: 5rem;
  padding-top: 2.2rem;
  border-top: 1px solid var(--signal-rule);
}

.signal-metrics > div {
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

.signal-metrics > div + div {
  padding-left: 3rem;
  border-left: 1px solid var(--signal-rule);
}

.signal-metrics strong {
  color: var(--signal-lime);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: .04em;
}

.signal-metrics span {
  color: var(--signal-muted);
  font-size: .65rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.signal-lead-card {
  position: absolute;
  z-index: 5;
  right: var(--signal-gutter);
  bottom: 3rem;
  width: min(51vw, 760px);
  min-height: 355px;
  display: grid;
  grid-template-columns: 185px 1fr;
  border: 1px solid #536059;
  background: rgb(12 17 15 / 96%);
}

.signal-lead-visual {
  min-height: 100%;
  border-right: 1px solid #536059;
  background-image: radial-gradient(circle, var(--signal-cyan) 1px, transparent 1.2px);
  background-size: 8px 8px;
  opacity: .65;
  -webkit-mask-image: radial-gradient(ellipse at center, black, transparent 78%);
  mask-image: radial-gradient(ellipse at center, black, transparent 78%);
}

.signal-lead-visual.has-thumbnail {
  opacity: .8;
  background-position: center;
  background-size: cover;
  -webkit-mask-image: linear-gradient(to bottom, black, rgb(0 0 0 / 40%));
  mask-image: linear-gradient(to bottom, black, rgb(0 0 0 / 40%));
  filter: grayscale(1) contrast(1.15) sepia(.15) hue-rotate(120deg);
}

.signal-lead-content {
  display: flex;
  flex-direction: column;
  padding: 2.2rem 2.6rem 0;
}

.signal-lead-title {
  margin: 0 0 1.4rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.3rem, 3.45vw, 3.55rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -.035em;
}

.signal-lead-title a:hover {
  color: var(--signal-lime);
}

.signal-lead-excerpt {
  margin: 0 0 1.8rem;
  padding-top: 1rem;
  border-top: 1px solid var(--signal-rule);
  color: var(--signal-muted);
  font-size: .95rem;
  line-height: 1.55;
}

.signal-lead-meta {
  min-height: 62px;
  display: flex;
  align-items: center;
  margin: auto -2.6rem 0;
  border-top: 1px solid var(--signal-rule);
}

.signal-lead-meta > span {
  padding: 0 1.2rem;
  font-size: .63rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.signal-lead-meta > span + span {
  border-left: 1px solid var(--signal-rule);
}

.signal-lead-meta a {
  width: 66px;
  height: 62px;
  display: grid;
  place-items: center;
  margin-left: auto;
  border-left: 1px solid var(--signal-rule);
  color: var(--signal-cyan);
}

/* Category feeds */

.signal-section {
  padding: 8rem var(--signal-gutter);
  border-bottom: 1px solid var(--signal-rule);
}

.signal-section-heading {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1fr;
  gap: 3rem;
  align-items: end;
  margin-bottom: 4rem;
}

.signal-section-title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 5vw, 5.2rem);
  font-weight: 400;
  line-height: .95;
  letter-spacing: -.04em;
}

.signal-section-heading > p:last-child {
  max-width: 390px;
  margin: 0;
  color: var(--signal-muted);
  line-height: 1.7;
}

.signal-regions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--signal-rule);
}

.signal-region {
  min-width: 0;
  padding: 2rem;
}

.signal-region + .signal-region {
  border-left: 1px solid var(--signal-rule);
}

.signal-region-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  min-height: 98px;
  border-bottom: 1px solid var(--signal-rule);
}

.signal-region-title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 2.8vw, 3rem);
  font-weight: 400;
}

.signal-region-link {
  color: var(--signal-lime);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.signal-story-card {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  padding: 2.1rem 0;
  border-bottom: 1px solid var(--signal-rule);
}

.signal-story-card:last-child {
  border-bottom: 0;
}

.signal-story-number {
  margin-bottom: 2rem;
  color: #647068;
  font-family: "Courier New", monospace;
  font-size: .7rem;
}

.signal-story-card h3 {
  margin: 0 0 1rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.75rem, 2.1vw, 2.35rem);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -.025em;
}

.signal-story-card h3 a:hover {
  color: var(--signal-lime);
}

.signal-story-card p {
  color: var(--signal-muted);
  line-height: 1.6;
}

.signal-story-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 1.25rem;
  color: var(--signal-muted);
  font-size: .66rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.signal-story-footer a {
  color: var(--signal-lime);
}

.signal-empty {
  min-height: 250px;
  display: grid;
  place-items: center;
  padding: 2rem;
  border-bottom: 1px solid var(--signal-rule);
  color: var(--signal-muted);
  text-align: center;
}

/* Editorial and about */

.signal-observer {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 10vw;
  align-items: center;
  padding: 8rem var(--signal-gutter);
  border-bottom: 1px solid var(--signal-rule);
}

.signal-observer-grid {
  position: absolute;
  inset: 0 45% 0 0;
  background-image:
    linear-gradient(var(--signal-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--signal-rule) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .3;
  -webkit-mask-image: radial-gradient(circle at 35% 50%, black, transparent 67%);
  mask-image: radial-gradient(circle at 35% 50%, black, transparent 67%);
}

.signal-observer-copy,
.signal-observer blockquote {
  position: relative;
  z-index: 2;
}

.signal-observer h2 {
  margin: 0 0 2rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.4rem, 6vw, 6.5rem);
  font-weight: 400;
  line-height: .94;
  letter-spacing: -.045em;
}

.signal-observer-copy > p:not(.signal-category) {
  max-width: 720px;
  color: var(--signal-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.signal-observer blockquote {
  margin: 0;
  padding-left: 2rem;
  border-left: 1px solid var(--signal-cyan);
  color: #c6cec9;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.6rem;
  line-height: 1.4;
}

.signal-observer cite {
  display: block;
  margin-top: 2rem;
  color: var(--signal-cyan);
  font-family: Arial, Helvetica, sans-serif;
  font-size: .65rem;
  font-style: normal;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.signal-method {
  display: grid;
  grid-template-columns: .85fr 1.5fr;
  gap: 8vw;
}

.signal-method-intro h2 {
  margin-bottom: 2rem;
}

.signal-method-intro > p:last-child {
  color: var(--signal-muted);
  line-height: 1.7;
}

.signal-principles {
  border-top: 1px solid var(--signal-rule);
}

.signal-principle {
  display: grid;
  grid-template-columns: 60px 1fr 1.3fr;
  gap: 2rem;
  align-items: baseline;
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--signal-rule);
}

.signal-principle > span {
  color: var(--signal-lime);
  font-family: "Courier New", monospace;
  font-size: .7rem;
}

.signal-principle h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
}

.signal-principle p {
  margin: 0;
  color: var(--signal-muted);
  line-height: 1.6;
}

.signal-manifesto {
  padding: 9rem max(var(--signal-gutter), 8vw);
  background: var(--signal-paper);
  color: var(--signal-graphite);
}

.signal-manifesto .signal-eyebrow {
  color: #657069;
}

.signal-manifesto-lead {
  max-width: 1300px;
  margin: 0 0 6rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.3rem, 6.5vw, 7rem);
  font-weight: 400;
  line-height: .96;
  letter-spacing: -.05em;
}

.signal-manifesto-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4rem;
  padding-top: 2.4rem;
  border-top: 1px solid #a8b0aa;
}

.signal-manifesto-columns p {
  margin: 0;
  color: #3c4540;
  line-height: 1.75;
}

/* Archive, search, and standard content */

.signal-page-header {
  position: relative;
  overflow: hidden;
  padding: 7rem var(--signal-gutter) 5rem;
  border-bottom: 1px solid var(--signal-rule);
}

.signal-page-header::after {
  content: "";
  position: absolute;
  inset: 0 0 0 45%;
  background-image: radial-gradient(circle, rgb(56 223 245 / 14%) 1px, transparent 1px);
  background-size: 18px 18px;
  -webkit-mask-image: linear-gradient(to left, black, transparent);
  mask-image: linear-gradient(to left, black, transparent);
}

.signal-page-title {
  position: relative;
  z-index: 2;
  max-width: 1050px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.5rem, 7vw, 7.4rem);
  font-weight: 400;
  line-height: .95;
  letter-spacing: -.045em;
}

.signal-page-description {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 2rem 0 0;
  color: var(--signal-muted);
  font-size: 1.05rem;
}

.signal-archive-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--signal-rule);
}

.signal-archive-card {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  padding: 2.5rem;
  border-right: 1px solid var(--signal-rule);
  border-bottom: 1px solid var(--signal-rule);
  transition: background 180ms ease;
}

.signal-archive-card:nth-child(3n) {
  border-right: 0;
}

.signal-archive-card:hover {
  background: var(--signal-panel);
}

.signal-archive-card h2 {
  margin: 0 0 1.4rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 2.6vw, 2.9rem);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -.03em;
}

.signal-archive-card h2 a:hover {
  color: var(--signal-lime);
}

.signal-archive-card > p {
  color: var(--signal-muted);
}

.signal-post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--signal-muted);
  font-size: .66rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.signal-post-meta a {
  color: var(--signal-cyan);
}

.signal-pagination {
  padding: 3rem var(--signal-gutter) 7rem;
}

.signal-pagination .nav-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: .6rem;
}

.signal-pagination .page-numbers {
  min-width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--signal-rule);
}

.signal-pagination .page-numbers.current,
.signal-pagination a.page-numbers:hover {
  border-color: var(--signal-lime);
  background: var(--signal-lime);
  color: var(--signal-graphite);
}

.signal-article {
  width: min(100% - (2 * var(--signal-gutter)), 920px);
  margin-inline: auto;
  padding: 6rem 0 8rem;
}

.signal-article-header {
  margin-bottom: 4rem;
}

.signal-article-title {
  margin: 0 0 2rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.2rem, 6.5vw, 6.3rem);
  font-weight: 400;
  line-height: .97;
  letter-spacing: -.045em;
}

.signal-article-thumbnail {
  margin: 0 0 4rem;
  border: 1px solid var(--signal-rule);
}

.signal-article-thumbnail img {
  width: 100%;
}

.signal-entry-content {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.1rem, 1.5vw, 1.28rem);
  line-height: 1.85;
}

.signal-entry-content > * {
  max-width: 760px;
  margin-right: auto;
  margin-left: auto;
}

.signal-entry-content > .alignwide {
  max-width: 1080px;
  margin-left: 50%;
  transform: translateX(-50%);
  width: calc(100vw - (2 * var(--signal-gutter)));
}

.signal-entry-content > .alignfull {
  max-width: none;
  margin-left: 50%;
  transform: translateX(-50%);
  width: 100vw;
}

.signal-entry-content h2,
.signal-entry-content h3,
.signal-entry-content h4 {
  margin-top: 2.5em;
  margin-bottom: .8em;
  line-height: 1.15;
}

.signal-entry-content a {
  color: var(--signal-cyan);
  text-decoration: underline;
  text-underline-offset: .18em;
}

.signal-entry-content blockquote {
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
  padding-left: 2rem;
  border-left: 2px solid var(--signal-lime);
  color: #c3ccc6;
  font-size: 1.35em;
}

.signal-entry-content code,
.signal-entry-content pre {
  font-family: "Courier New", monospace;
}

.signal-entry-content pre {
  overflow-x: auto;
  padding: 1.5rem;
  border: 1px solid var(--signal-rule);
  background: var(--signal-panel);
  font-size: .85rem;
}

.signal-entry-content table {
  width: 100%;
  border-collapse: collapse;
}

.signal-entry-content th,
.signal-entry-content td {
  padding: .8rem;
  border: 1px solid var(--signal-rule);
  text-align: left;
}

.signal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--signal-rule);
}

.signal-tags a {
  padding: .45rem .7rem;
  border: 1px solid var(--signal-rule);
  color: var(--signal-cyan);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.signal-post-navigation {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--signal-rule);
}

.signal-post-navigation .nav-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.signal-post-navigation .nav-next {
  text-align: right;
}

.signal-comments {
  width: min(100% - (2 * var(--signal-gutter)), 920px);
  margin: 0 auto 8rem;
  padding-top: 3rem;
  border-top: 1px solid var(--signal-rule);
}

.signal-comments .comment-list {
  padding: 0;
  list-style: none;
}

.signal-comments .children {
  list-style: none;
}

.signal-comments textarea,
.signal-comments input:not([type="submit"]) {
  width: 100%;
  padding: .9rem;
  border: 1px solid var(--signal-rule);
  background: var(--signal-panel);
  color: var(--signal-paper);
}

.signal-comments input[type="submit"],
.signal-search-form button {
  padding: .8rem 1.1rem;
  border: 0;
  background: var(--signal-lime);
  color: var(--signal-graphite);
  cursor: pointer;
  font-weight: 700;
}

.signal-search-form {
  display: flex;
  max-width: 680px;
  margin-top: 2rem;
}

.signal-search-form input {
  flex: 1;
  min-width: 0;
  padding: .9rem 1rem;
  border: 1px solid var(--signal-rule);
  background: var(--signal-panel);
  color: var(--signal-paper);
}

/* Footer */

.signal-site-footer {
  min-height: 250px;
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 3rem 4rem;
  align-items: end;
  padding: 4rem var(--signal-gutter);
}

.signal-footer-brand {
  font-size: 2.3rem;
}

.signal-site-footer p {
  color: var(--signal-muted);
  line-height: 1.5;
}

.signal-footer-contact,
.signal-footer-meta {
  display: flex;
  flex-direction: column;
  gap: .8rem;
}

.signal-footer-contact span,
.signal-footer-meta span {
  color: var(--signal-muted);
  font-size: .66rem;
  line-height: 1.7;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.signal-footer-contact a {
  color: var(--signal-cyan);
}

.signal-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .55rem 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.signal-footer-menu {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--signal-rule);
  border-bottom: 1px solid var(--signal-rule);
}

.signal-footer-menu > span {
  flex: 0 0 auto;
  color: var(--signal-muted);
  font-size: .66rem;
  line-height: 1.7;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.signal-footer-links li + li {
  border-left: 1px solid var(--signal-rule);
}

.signal-footer-links a {
  position: relative;
  display: inline-block;
  padding: .1rem 1rem;
  color: #c6cec9;
  font-size: .7rem;
  line-height: 1.45;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.signal-footer-links a::after {
  content: "";
  position: absolute;
  right: 100%;
  bottom: -.12rem;
  left: 0;
  height: 1px;
  background: var(--signal-cyan);
  transition: right 180ms ease;
}

.signal-footer-links a:hover::after,
.signal-footer-links a[aria-current="page"]::after {
  right: 0;
}

.signal-footer-meta {
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
}

@media (max-width: 1050px) {
  .signal-primary-nav,
  .signal-mark-link {
    display: none;
  }

  .signal-site-header {
    grid-template-columns: 1fr auto;
  }

  .signal-mobile-menu {
    display: block;
  }

  .signal-mobile-menu summary {
    width: 44px;
    height: 44px;
    display: grid;
    place-content: center;
    gap: 7px;
    list-style: none;
    cursor: pointer;
  }

  .signal-mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .signal-mobile-menu summary span {
    width: 26px;
    height: 1px;
    background: var(--signal-paper);
  }

  .signal-mobile-nav {
    position: absolute;
    top: 110px;
    right: 0;
    left: 0;
    display: grid;
    gap: 1.2rem;
    padding: 2rem var(--signal-gutter);
    border-bottom: 1px solid var(--signal-rule);
    background: var(--signal-graphite);
  }

  .signal-mobile-nav a {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.4rem;
  }

  .signal-hero {
    min-height: auto;
    padding-bottom: 4rem;
  }

  .signal-hero-copy {
    width: 100%;
  }

  .signal-field {
    left: 35%;
    opacity: .35;
  }

  .signal-lead-card {
    position: relative;
    right: auto;
    bottom: auto;
    width: 85%;
    margin: 4rem 0 0 auto;
  }

  .signal-section-heading {
    grid-template-columns: 1fr 1.7fr;
  }

  .signal-section-heading > p:last-child {
    grid-column: 2;
  }

  .signal-regions {
    grid-template-columns: 1fr;
  }

  .signal-region + .signal-region {
    border-top: 1px solid var(--signal-rule);
    border-left: 0;
  }

  .signal-region {
    padding-right: 0;
    padding-left: 0;
  }

  .signal-story-card {
    min-height: 280px;
  }

  .signal-method {
    grid-template-columns: 1fr;
  }

  .signal-archive-grid {
    grid-template-columns: 1fr 1fr;
  }

  .signal-archive-card:nth-child(3n) {
    border-right: 1px solid var(--signal-rule);
  }

  .signal-archive-card:nth-child(2n) {
    border-right: 0;
  }
}

@media (max-width: 782px) {
  body.admin-bar .signal-site-header {
    top: 46px;
  }
}

@media (max-width: 760px) {
  .signal-site-header {
    min-height: 82px;
  }

  .signal-brand-text {
    font-size: 2rem;
  }

  .signal-mobile-nav {
    top: 82px;
  }

  .signal-hero {
    padding-top: 4rem;
  }

  .signal-hero-title {
    font-size: clamp(3.1rem, 14vw, 5rem);
  }

  .signal-hero-title br {
    display: none;
  }

  .signal-field {
    top: 130px;
    left: 10%;
    height: 350px;
    opacity: .23;
  }

  .signal-clarity {
    display: none;
  }

  .signal-ai-stamp {
    font-size: .58rem;
    letter-spacing: .1em;
  }

  .signal-metrics {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 4rem;
  }

  .signal-metrics > div + div {
    padding-left: 1.5rem;
  }

  .signal-metrics > div:nth-child(3) {
    display: none;
  }

  .signal-lead-card {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .signal-lead-visual {
    min-height: 150px;
    border-right: 0;
    border-bottom: 1px solid #536059;
  }

  .signal-lead-content {
    padding: 1.8rem 1.5rem 0;
  }

  .signal-lead-meta {
    margin-right: -1.5rem;
    margin-left: -1.5rem;
  }

  .signal-lead-meta > span {
    padding: 0 .7rem;
    font-size: .54rem;
  }

  .signal-section,
  .signal-observer {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }

  .signal-section-heading {
    display: block;
  }

  .signal-section-heading h2 {
    margin-bottom: 2rem;
  }

  .signal-observer {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 5rem;
  }

  .signal-observer h2 {
    font-size: 3.5rem;
  }

  .signal-principle {
    grid-template-columns: 40px 1fr;
  }

  .signal-principle p {
    grid-column: 2;
  }

  .signal-manifesto {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }

  .signal-manifesto-lead {
    margin-bottom: 4rem;
  }

  .signal-manifesto-columns {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .signal-archive-grid {
    grid-template-columns: 1fr;
  }

  .signal-archive-card,
  .signal-archive-card:nth-child(2n),
  .signal-archive-card:nth-child(3n) {
    border-right: 0;
  }

  .signal-post-navigation .nav-links {
    grid-template-columns: 1fr;
  }

  .signal-post-navigation .nav-next {
    text-align: left;
  }

  .signal-site-footer {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .signal-footer-meta {
    align-self: end;
  }

  .signal-footer-menu {
    align-items: flex-start;
    gap: 1.25rem;
  }

  .signal-footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .signal-site-footer {
    grid-template-columns: 1fr;
  }

  .signal-footer-meta {
    align-self: start;
  }

  .signal-footer-menu {
    flex-direction: column;
  }

  .signal-footer-links li:first-child a {
    padding-left: 0;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .signal-hero-copy {
    animation: signal-reveal .65s ease both;
  }

  .signal-lead-card {
    animation: signal-reveal .65s .12s ease both;
  }

  .signal-field {
    animation: signal-field 1.1s ease both;
  }

  @keyframes signal-reveal {
    from {
      opacity: 0;
      transform: translateY(12px);
    }
  }

  @keyframes signal-field {
    from {
      opacity: 0;
      transform: translateX(18px);
    }
  }
}

@media print {
  .signal-site-header,
  .signal-site-footer,
  .signal-post-navigation,
  .signal-comments {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .signal-article {
    width: 100%;
    padding: 0;
  }
}