/*
Theme Name: The AI Impact Wire
Theme URI: https://example.com/the-ai-impact-wire
Author: Zillen / ChatGPT
Description: A flat, editorial WordPress theme for an AI for Good portal with curated news, research, opportunities, events, use cases, tools, and newsletter pages.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ai-impact-wire
Tags: blog, news, custom-logo, custom-menu, featured-images, block-styles, one-column, wide-blocks
*/

:root {
  --aiw-green-dark: #003f2f;
  --aiw-green: #007a3d;
  --aiw-green-mid: #138a44;
  --aiw-green-light: #dff4e8;
  --aiw-yellow: #f5c400;
  --aiw-yellow-soft: #fff3b3;
  --aiw-ink: #111418;
  --aiw-charcoal: #22272f;
  --aiw-muted: #5f6671;
  --aiw-line: #cdd3d7;
  --aiw-bg: #ffffff;
  --aiw-soft: #f4f6f5;
  --aiw-blue: #2f5f9f;
  --aiw-purple: #5a3f89;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--aiw-ink);
  background: var(--aiw-bg);
  line-height: 1.5;
  font-size: 16px;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--aiw-green); }
img { max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }

.aiw-container { width: min(100% - 48px, 1180px); margin: 0 auto; }
.aiw-site-header { background: #fff; border-bottom: 1px solid var(--aiw-line); position: sticky; top: 0; z-index: 20; }
.admin-bar .aiw-site-header { top: 32px; }
.aiw-topline { background: var(--aiw-green-dark); color: #fff; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; padding: 7px 0; border-bottom: 4px solid var(--aiw-yellow); }
.aiw-main-nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.aiw-brand { display: grid; grid-template-columns: 56px auto; gap: 14px; align-items: center; min-width: 220px; }
.aiw-logo-mark { width: 56px; height: 46px; display: block; }
.aiw-brand-text { display: block; line-height: 1; }
.aiw-brand-title { font-size: 25px; font-weight: 850; letter-spacing: -.04em; color: var(--aiw-ink); white-space: nowrap; }
.aiw-brand-title .wire { color: var(--aiw-green); }
.aiw-brand-tagline { display: flex; align-items: center; gap: 8px; color: var(--aiw-green); font-size: 11px; letter-spacing: .12em; font-weight: 700; margin-top: 7px; white-space: nowrap; }
.aiw-brand-tagline::before, .aiw-brand-tagline::after { content: ''; display: block; width: 24px; height: 2px; background: var(--aiw-yellow); }
.aiw-menu { display: flex; gap: 24px; align-items: center; list-style: none; padding: 0; margin: 0; font-size: 15px; color: var(--aiw-ink); }
.aiw-menu a { display: inline-block; padding: 24px 0 20px; border-bottom: 4px solid transparent; }
.aiw-menu a:hover, .aiw-menu .current-menu-item > a { border-color: var(--aiw-yellow); color: var(--aiw-green-dark); }
.aiw-nav-actions { display: flex; align-items: center; gap: 14px; }
.aiw-search-link { width: 44px; height: 44px; background: var(--aiw-green-dark); color: #fff; display: grid; place-items: center; border: 1px solid var(--aiw-green-dark); }
.aiw-search-link:hover { background: #fff; color: var(--aiw-green-dark); }
.aiw-button, .wp-block-button__link, .comment-reply-link, input[type='submit'] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 22px;
  border: 1px solid var(--aiw-green-dark);
  background: var(--aiw-green-dark);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 12px;
  font-weight: 800;
  border-radius: 0 !important;
  box-shadow: none !important;
  cursor: pointer;
}
.aiw-button:hover, .wp-block-button__link:hover, input[type='submit']:hover { background: #fff; color: var(--aiw-green-dark); }
.aiw-button--yellow { background: var(--aiw-yellow); color: var(--aiw-ink); border-color: var(--aiw-yellow); }
.aiw-button--yellow:hover { background: var(--aiw-green-dark); color: #fff; border-color: var(--aiw-green-dark); }
.aiw-button--outline { background: transparent; color: var(--aiw-green-dark); border-color: var(--aiw-green-dark); }
.aiw-button--outline:hover { background: var(--aiw-green-dark); color: #fff; }

.aiw-hero { position: relative; overflow: hidden; background: var(--aiw-green-dark); color: #fff; border-bottom: 1px solid var(--aiw-green-dark); }
.aiw-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('assets/images/hero-bg.svg');
  background-size: cover;
  background-position: center;
  opacity: 1;
}
.aiw-hero .aiw-container { position: relative; z-index: 1; min-height: 480px; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 48px; padding: 72px 0; }
.aiw-eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--aiw-yellow); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; font-weight: 900; margin-bottom: 22px; }
.aiw-eyebrow::before { content: ''; width: 38px; height: 2px; background: var(--aiw-yellow); }
.aiw-hero h1 { margin: 0 0 20px; font-size: clamp(46px, 7vw, 78px); line-height: .98; letter-spacing: -.06em; max-width: 760px; }
.aiw-hero p { margin: 0 0 30px; font-size: 20px; color: rgba(255,255,255,.86); max-width: 640px; }
.aiw-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.aiw-hero-brief { background: rgba(0,63,47,.76); border: 1px solid rgba(255,255,255,.35); padding: 24px; backdrop-filter: none; box-shadow: none; }
.aiw-hero-brief h2 { color: #fff; margin: 0 0 18px; font-size: 20px; letter-spacing: -.03em; border-bottom: 1px solid rgba(255,255,255,.28); padding-bottom: 14px; }
.aiw-brief-item { border-top: 1px solid rgba(255,255,255,.22); padding: 14px 0; }
.aiw-brief-item:first-of-type { border-top: 0; padding-top: 0; }
.aiw-brief-item span { display: block; color: var(--aiw-yellow); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; font-weight: 900; margin-bottom: 6px; }
.aiw-brief-item strong { display: block; font-size: 18px; line-height: 1.25; margin-bottom: 6px; }
.aiw-brief-item p { font-size: 14px; margin: 0; color: rgba(255,255,255,.76); }

.aiw-section { padding: 58px 0; border-bottom: 1px solid var(--aiw-line); }
.aiw-section--tight { padding: 38px 0; }
.aiw-section-head { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 26px; }
.aiw-section-label { color: var(--aiw-green); text-transform: uppercase; font-size: 12px; letter-spacing: .1em; font-weight: 900; margin-bottom: 10px; }
.aiw-section h2, .aiw-page-title { margin: 0; font-size: clamp(32px, 4vw, 48px); line-height: 1; letter-spacing: -.055em; color: var(--aiw-ink); }
.aiw-section-desc { color: var(--aiw-muted); max-width: 620px; margin: 12px 0 0; }
.aiw-link-arrow { color: var(--aiw-green-dark); text-transform: uppercase; letter-spacing: .08em; font-size: 12px; font-weight: 900; }
.aiw-link-arrow::after { content: ' →'; color: var(--aiw-green); }

.aiw-feature-grid { display: grid; grid-template-columns: 280px 1fr; border-top: 1px solid var(--aiw-line); border-left: 1px solid var(--aiw-line); }
.aiw-feature-text, .aiw-feature-media { border-right: 1px solid var(--aiw-line); border-bottom: 1px solid var(--aiw-line); }
.aiw-feature-text { padding: 26px; background: #fff; }
.aiw-feature-text h3 { margin: 12px 0 10px; font-size: 30px; line-height: 1.08; letter-spacing: -.045em; }
.aiw-feature-text p { color: var(--aiw-muted); margin: 0 0 22px; }
.aiw-feature-media { min-height: 260px; background: var(--aiw-green-dark); position: relative; overflow: hidden; }
.aiw-feature-media::before { content: ''; position: absolute; inset: 0; background-image: url('assets/images/feature-graphic.svg'); background-size: cover; background-position: center; }
.aiw-feature-label { position: absolute; top: 22px; right: 22px; background: var(--aiw-yellow); color: var(--aiw-ink); text-transform: uppercase; letter-spacing: .08em; font-size: 11px; font-weight: 900; padding: 8px 10px; }

.aiw-news-row { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--aiw-line); border-left: 1px solid var(--aiw-line); }
.aiw-news-card { padding: 22px 20px; border-right: 1px solid var(--aiw-line); border-bottom: 1px solid var(--aiw-line); min-height: 190px; background: #fff; display: flex; flex-direction: column; gap: 10px; }
.aiw-news-card:hover { background: var(--aiw-soft); }
.aiw-card-kicker { color: var(--aiw-green); text-transform: uppercase; letter-spacing: .09em; font-size: 11px; font-weight: 900; }
.aiw-news-card h3 { font-size: 18px; line-height: 1.25; margin: 0; }
.aiw-news-card p { margin: 0; color: var(--aiw-muted); font-size: 14px; }
.aiw-date { margin-top: auto; color: var(--aiw-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }

.aiw-topic-grid { display: grid; grid-template-columns: repeat(6, 1fr); border-left: 1px solid var(--aiw-line); border-top: 1px solid var(--aiw-line); }
.aiw-topic { min-height: 124px; padding: 18px; border-right: 1px solid var(--aiw-line); border-bottom: 5px solid var(--aiw-green); background: #fff; }
.aiw-topic:nth-child(2) { border-bottom-color: var(--aiw-blue); }
.aiw-topic:nth-child(3) { border-bottom-color: var(--aiw-yellow); }
.aiw-topic:nth-child(4) { border-bottom-color: var(--aiw-purple); }
.aiw-topic:nth-child(5) { border-bottom-color: #6b8fb5; }
.aiw-topic strong { display: block; font-size: 17px; line-height: 1.2; margin: 8px 0; }
.aiw-topic span { color: var(--aiw-muted); font-size: 13px; }
.aiw-topic-icon { font-size: 26px; color: var(--aiw-green); }

.aiw-two-col { display: grid; grid-template-columns: 1fr 1fr; border-left: 1px solid var(--aiw-line); border-top: 1px solid var(--aiw-line); }
.aiw-panel { border-right: 1px solid var(--aiw-line); border-bottom: 1px solid var(--aiw-line); padding: 24px; background: #fff; }
.aiw-panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.aiw-panel h3 { margin: 0; color: var(--aiw-green-dark); font-size: 18px; text-transform: uppercase; letter-spacing: .08em; }
.aiw-list-item { display: grid; grid-template-columns: 52px 1fr auto; gap: 14px; align-items: center; padding: 14px 0; border-top: 1px solid var(--aiw-line); }
.aiw-list-item:first-of-type { border-top: 0; }
.aiw-list-icon, .aiw-event-date { width: 52px; height: 52px; border: 1px solid var(--aiw-green); display: grid; place-items: center; color: var(--aiw-green); font-weight: 900; text-align: center; font-size: 13px; }
.aiw-list-item strong { display: block; line-height: 1.2; }
.aiw-list-item span { color: var(--aiw-muted); font-size: 13px; }
.aiw-list-meta { color: var(--aiw-green); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; font-weight: 900; white-space: nowrap; }

.aiw-newsletter-strip { background: var(--aiw-yellow); color: var(--aiw-ink); }
.aiw-newsletter-inner { display: grid; grid-template-columns: 1fr auto; gap: 36px; align-items: center; padding: 32px 0; }
.aiw-newsletter-inner h2 { margin: 0 0 6px; font-size: 34px; line-height: 1.05; letter-spacing: -.04em; }
.aiw-newsletter-form { display: flex; gap: 12px; min-width: 460px; }
.aiw-newsletter-form input { flex: 1; border: 1px solid transparent; background: #fff; padding: 0 16px; min-height: 48px; border-radius: 0; }
.aiw-newsletter-form input:focus { outline: 2px solid var(--aiw-green-dark); }

.aiw-page-hero { background: var(--aiw-soft); border-bottom: 1px solid var(--aiw-line); padding: 58px 0; }
.aiw-page-hero .aiw-page-title { max-width: 760px; }
.aiw-page-hero p { max-width: 720px; color: var(--aiw-muted); font-size: 19px; margin: 16px 0 0; }
.aiw-content { padding: 48px 0; }
.aiw-content-area { max-width: 820px; }
.aiw-content-area h2, .aiw-content-area h3 { letter-spacing: -.03em; line-height: 1.1; }
.aiw-content-area a { color: var(--aiw-green); text-decoration: underline; text-underline-offset: 3px; }
.aiw-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--aiw-line); border-left: 1px solid var(--aiw-line); }
.aiw-resource-card { border-right: 1px solid var(--aiw-line); border-bottom: 1px solid var(--aiw-line); padding: 24px; min-height: 220px; background: #fff; }
.aiw-resource-card h3 { margin: 10px 0; font-size: 22px; line-height: 1.15; }
.aiw-resource-card p { color: var(--aiw-muted); margin: 0 0 18px; }
.aiw-post-list { display: grid; border-left: 1px solid var(--aiw-line); border-top: 1px solid var(--aiw-line); }
.aiw-post-list .aiw-news-card { min-height: 0; }

.aiw-site-footer { background: var(--aiw-green-dark); color: rgba(255,255,255,.78); }
.aiw-footer-main { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr) 1.2fr; gap: 36px; padding: 44px 0; }
.aiw-footer-main h3, .aiw-footer-main h4 { color: #fff; margin: 0 0 12px; }
.aiw-footer-main p { margin: 0; font-size: 14px; }
.aiw-footer-main ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; font-size: 14px; }
.aiw-footer-main a:hover { color: var(--aiw-yellow); }
.aiw-footer-bottom { border-top: 1px solid rgba(255,255,255,.18); padding: 16px 0; font-size: 13px; display: flex; justify-content: space-between; gap: 20px; }

.wp-block-image, .wp-block-group, .wp-block-cover, .wp-block-columns, .wp-block-button__link { border-radius: 0 !important; box-shadow: none !important; }
.alignwide { width: min(100vw - 48px, 1180px); margin-left: auto; margin-right: auto; }
.alignfull { width: 100%; margin-left: 0; margin-right: 0; }
.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; }

@media (max-width: 1050px) {
  .aiw-menu { gap: 15px; font-size: 14px; }
  .aiw-hero .aiw-container, .aiw-newsletter-inner { grid-template-columns: 1fr; }
  .aiw-hero-brief { max-width: 720px; }
  .aiw-topic-grid { grid-template-columns: repeat(3, 1fr); }
  .aiw-footer-main { grid-template-columns: 1fr 1fr; }
  .aiw-newsletter-form { min-width: 0; }
}
@media (max-width: 800px) {
  .admin-bar .aiw-site-header { top: 46px; }
  .aiw-main-nav { align-items: flex-start; padding: 14px 0; flex-direction: column; }
  .aiw-menu { flex-wrap: wrap; gap: 12px 18px; }
  .aiw-menu a { padding: 4px 0; }
  .aiw-nav-actions { width: 100%; justify-content: space-between; }
  .aiw-feature-grid, .aiw-news-row, .aiw-two-col, .aiw-grid-3 { grid-template-columns: 1fr; }
  .aiw-topic-grid { grid-template-columns: repeat(2, 1fr); }
  .aiw-list-item { grid-template-columns: 52px 1fr; }
  .aiw-list-meta { grid-column: 2; }
}
@media (max-width: 560px) {
  .aiw-container { width: min(100% - 32px, 1180px); }
  .aiw-brand { grid-template-columns: 44px auto; gap: 10px; }
  .aiw-logo-mark { width: 44px; height: 38px; }
  .aiw-brand-title { font-size: 21px; }
  .aiw-brand-tagline { display: none; }
  .aiw-hero .aiw-container { padding: 48px 0; min-height: 0; }
  .aiw-hero p { font-size: 17px; }
  .aiw-topic-grid { grid-template-columns: 1fr; }
  .aiw-section-head { display: block; }
  .aiw-newsletter-form { display: grid; }
  .aiw-footer-main { grid-template-columns: 1fr; }
  .aiw-footer-bottom { display: block; }
}