/*
Theme Name: Practical AI for Real Work
Theme URI: https://ai.trumpfheller.us
Author: Greg Trumpfeller
Description: A lightweight WordPress theme for Practical AI for Real Work, built for AI education, prompt guides, Copilot resources, and future digital products.
Version: 0.1.7
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GPLv2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: practical-ai-real-work
*/

:root {
  --pai-ink: #162023;
  --pai-ink-soft: #415056;
  --pai-paper: #fbfbf8;
  --pai-surface: #ffffff;
  --pai-line: #dfe5e2;
  --pai-teal: #0f766e;
  --pai-teal-dark: #0b4f4b;
  --pai-amber: #d97706;
  --pai-blue: #2563eb;
  --pai-muted: #eef4f2;
  --pai-shadow: 0 18px 45px rgba(22, 32, 35, 0.12);
  --pai-radius: 8px;
  --pai-max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--pai-paper);
  color: var(--pai-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.65;
}

a {
  color: var(--pai-teal-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  height: 1px;
  overflow: hidden;
  position: absolute;
  width: 1px;
}

.site-header {
  background: rgba(251, 251, 248, 0.94);
  border-bottom: 1px solid var(--pai-line);
  position: sticky;
  top: 0;
  z-index: 20;
}

body.pagelayer-body > .pagelayer-header,
body.pagelayer-body > .pagelayer-footer {
  display: none !important;
}

.site-header__inner,
.site-footer__inner,
.section-inner,
.content-wrap {
  margin: 0 auto;
  max-width: var(--pai-max);
  padding-left: 24px;
  padding-right: 24px;
}

.site-header__inner {
  align-items: center;
  display: flex;
  gap: 28px;
  justify-content: space-between;
  min-height: 76px;
}

.site-branding {
  color: var(--pai-ink);
  display: inline-flex;
  flex-direction: column;
  line-height: 1.2;
  text-decoration: none;
}

.site-branding strong {
  font-size: 1rem;
}

.site-branding span {
  color: var(--pai-ink-soft);
  font-size: 0.78rem;
}

.site-nav ul {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--pai-ink);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--pai-teal);
}

.button,
.wp-block-button__link,
.pai-button {
  align-items: center;
  background: var(--pai-teal);
  border: 0;
  border-radius: var(--pai-radius);
  color: #fff;
  display: inline-flex;
  font-size: 0.95rem;
  font-weight: 750;
  gap: 8px;
  justify-content: center;
  line-height: 1.2;
  min-height: 46px;
  padding: 13px 18px;
  text-decoration: none;
}

.button:hover,
.button:focus,
.wp-block-button__link:hover,
.wp-block-button__link:focus,
.pai-button:hover,
.pai-button:focus {
  background: var(--pai-teal-dark);
  color: #fff;
}

.button--secondary,
.pai-button--secondary {
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: var(--pai-ink);
}

.button--secondary:hover,
.button--secondary:focus,
.pai-button--secondary:hover,
.pai-button--secondary:focus {
  background: var(--pai-muted);
  color: var(--pai-ink);
}

.hero {
  background-color: #0b1b1f;
  background-image: linear-gradient(90deg, rgba(5, 17, 20, 0.96) 0%, rgba(5, 17, 20, 0.86) 42%, rgba(5, 17, 20, 0.28) 78%), var(--pai-hero-image);
  background-position: center;
  background-size: cover;
  color: #fff;
  min-height: 620px;
  padding: 98px 0 84px;
}

.hero__content {
  max-width: 720px;
}

.eyebrow {
  color: #9ee7db;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(2.45rem, 5vw, 5rem);
  letter-spacing: 0;
  line-height: 1;
  margin: 0 0 24px;
  max-width: 760px;
}

.hero .hero__content h1,
.hero .hero__content h1 *,
body .hero h1,
body .hero h1 a,
body .hero h1 span {
  color: #ffffff !important;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.55);
}

.hero p {
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.2rem;
  max-width: 650px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.trust-strip {
  background: var(--pai-ink);
  color: #fff;
}

.trust-strip .section-inner {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
  padding-bottom: 24px;
  padding-top: 24px;
}

.trust-item {
  border-left: 3px solid var(--pai-amber);
  font-size: 0.95rem;
  padding-left: 14px;
}

.section {
  padding: 76px 0;
}

.section--muted {
  background: var(--pai-muted);
}

.section__header {
  max-width: 760px;
}

.section__header h2,
.entry-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.75rem);
  line-height: 1.1;
  margin: 0 0 16px;
}

.section__header p {
  color: var(--pai-ink-soft);
  margin-bottom: 34px;
}

.grid {
  display: grid;
  gap: 22px;
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.card,
.pai-card {
  background: var(--pai-surface);
  border: 1px solid var(--pai-line);
  border-radius: var(--pai-radius);
  padding: 26px;
}

.card h3,
.pai-card h3 {
  font-size: 1.25rem;
  line-height: 1.2;
  margin: 0 0 10px;
}

.card p,
.pai-card p {
  color: var(--pai-ink-soft);
  margin-bottom: 0;
}

.number-list {
  counter-reset: pai-counter;
  display: grid;
  gap: 14px;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.number-list li {
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--pai-line);
  border-radius: var(--pai-radius);
  counter-increment: pai-counter;
  display: flex;
  gap: 14px;
  padding: 16px 18px;
}

.number-list li::before {
  align-items: center;
  background: var(--pai-teal);
  border-radius: 999px;
  color: #fff;
  content: counter(pai-counter);
  display: inline-flex;
  flex: 0 0 30px;
  font-size: 0.85rem;
  font-weight: 800;
  height: 30px;
  justify-content: center;
  margin-top: 2px;
  width: 30px;
}

.cta-band {
  background: var(--pai-ink);
  color: #fff;
  padding: 70px 0;
}

.cta-band .section-inner {
  align-items: center;
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr auto;
}

.cta-band h2 {
  line-height: 1.1;
  margin: 0 0 10px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.page-hero {
  background: var(--pai-muted);
  border-bottom: 1px solid var(--pai-line);
  padding: 70px 0;
}

.content-wrap {
  padding-bottom: 72px;
  padding-top: 56px;
}

.entry-content {
  max-width: 820px;
}

.entry-content > *:first-child {
  margin-top: 0;
}

.post-list {
  display: grid;
  gap: 24px;
}

.post-card {
  background: #fff;
  border: 1px solid var(--pai-line);
  border-radius: var(--pai-radius);
  padding: 26px;
}

.post-card h2 {
  font-size: 1.5rem;
  margin: 0 0 10px;
}

.post-card a {
  color: var(--pai-ink);
  text-decoration: none;
}

.post-card a:hover,
.post-card a:focus {
  color: var(--pai-teal);
}

.site-footer {
  background: #10181b;
  color: rgba(255, 255, 255, 0.76);
  padding: 42px 0;
}

.site-footer__inner {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr auto;
}

.site-footer a {
  color: #fff;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pai-prompt-detail {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

.pai-prompt-detail pre {
  background: #10181b;
  border-radius: var(--pai-radius);
  color: #f7faf9;
  overflow-x: auto;
  padding: 18px;
  white-space: pre-wrap;
}

.pai-prompt-grid a,
.pai-featured-offer a {
  color: var(--pai-ink);
  text-decoration: none;
}

.pai-lead-magnet {
  box-shadow: var(--pai-shadow);
}

@media (max-width: 860px) {
  body {
    font-size: 17px;
  }

  .site-header__inner,
  .cta-band .section-inner,
  .site-footer__inner {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .site-header__inner {
    flex-direction: column;
    padding-bottom: 18px;
    padding-top: 18px;
  }

  .grid--3,
  .grid--2,
  .trust-strip .section-inner {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 560px;
    padding: 76px 0 70px;
  }
}