/*
Theme Name: CyberP7N Astra Child
Author: Brainstorm Force
Description: CyberP7N child theme for the complete marketing site, article, and archive templates.
Version: 1.3.5
Text Domain: astra-child
Template: astra
*/

:root {
  --ink: #14181f;
  --ink-soft: #1d232c;
  --paper: #f3f4f6;
  --paper-dim: #e7e9ec;
  --line-on-paper: #d7dae0;
  --line-on-ink: #333b47;
  --muted-on-paper: #5c6167;
  --muted-on-ink: #9aa2ac;
  --accent: #20639b;
  --accent-strong: #1a507e;
  --accent-tint: rgba(32, 99, 155, 0.14);
  --serif: 'Noto Serif TC', serif;
  --sans: 'Noto Sans TC', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.site-content { padding: 0; }
.ast-container { max-width: none; padding: 0; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; }

header.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(243, 244, 246, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-on-paper);
}
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: 0.02em;
}
.brand img { width: 26px; height: 26px; }
nav.links { display: flex; gap: 34px; font-size: 14.5px; }
nav.links a {
  color: var(--muted-on-paper);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .15s ease;
}
nav.links a:hover,
nav.links a.current { color: var(--ink); border-color: var(--accent); }
.nav-cta {
  padding: 10px 20px;
  border-radius: 5px;
  background: var(--ink);
  color: var(--paper);
  font-size: 14px;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--accent-strong); color: #fff; }
.mobile-menu { display: none; position: relative; }
.mobile-menu-toggle-input {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 48px;
  height: 48px;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
.mobile-menu-toggle {
  appearance: none;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 36px;
  min-height: 32px;
  padding: 8px 0;
  border: 0;
  color: var(--ink);
  cursor: pointer;
}
.menu-icon {
  position: relative;
  width: 22px;
  height: 14px;
  border-top: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
}
.menu-icon::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 0;
  width: 22px;
  border-top: 2px solid currentColor;
}
.mobile-links {
  position: absolute;
  top: calc(100% + 10px);
  right: -32px;
  left: -32px;
  z-index: 60;
  display: none;
  width: auto;
  padding: 12px 32px 18px;
  background: var(--paper);
  border: 1px solid var(--line-on-paper);
  border-radius: 0 0 6px 6px;
  box-shadow: 0 18px 44px rgba(20, 24, 31, .16);
}
.mobile-links a {
  padding: 11px 10px;
  color: var(--muted-on-paper);
  border-bottom: 1px solid var(--line-on-paper);
}
.mobile-links a.current { color: var(--accent-strong); font-weight: 700; }

.article-hero,
.archive-hero {
  padding: 108px 0 96px;
  background: var(--ink);
  color: var(--paper);
}
.article-hero-inner { max-width: 860px; }
.article-eyebrow,
.archive-eyebrow {
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 14px;
  letter-spacing: .05em;
}
.article-title,
.archive-title {
  max-width: 19ch;
  margin: 0 0 26px;
  color: var(--paper);
  font-family: var(--serif);
  font-size: clamp(34px, 4.6vw, 54px);
  font-weight: 600;
  line-height: 1.34;
  text-wrap: balance;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: var(--muted-on-ink);
  font-size: 14px;
}
.archive-desc {
  max-width: 62ch;
  margin: 0;
  color: #cbd1d8;
  font-size: 17px;
}

.article-main { padding: 72px 0 104px; }
.article-content { max-width: 760px; margin: 0 auto; font-size: 17px; }
.article-content > *:first-child { margin-top: 0; }
.article-content p { margin: 0 0 1.55em; }
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.45;
  text-wrap: balance;
}
.article-content h2 { margin: 2.3em 0 .8em; font-size: clamp(27px, 3vw, 34px); }
.article-content h3 { margin: 2em 0 .7em; font-size: clamp(22px, 2.5vw, 27px); }
.article-content h4 { margin: 1.8em 0 .6em; font-size: 20px; }
.article-content a {
  color: var(--accent-strong);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.article-content ul,
.article-content ol { margin: 0 0 1.6em; padding-left: 1.4em; }
.article-content li { margin-bottom: .55em; }
.article-content blockquote {
  margin: 2em 0;
  padding: 8px 0 8px 24px;
  border-left: 2px solid var(--accent);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.7;
}
.article-content figure { margin: 2.2em 0; }
.article-content figcaption {
  margin-top: 9px;
  color: var(--muted-on-paper);
  font-size: 13.5px;
  text-align: center;
}
.article-content img { height: auto; border-radius: 6px; }
.article-content hr { margin: 3em 0; border: 0; border-top: 1px solid var(--line-on-paper); }
.article-content table { width: 100%; margin: 2em 0; border-collapse: collapse; }
.article-content th,
.article-content td { padding: 12px 14px; border: 1px solid var(--line-on-paper); text-align: left; }
.article-content th { background: var(--paper-dim); }
.article-taxonomy {
  max-width: 760px;
  margin: 56px auto 0;
  padding-top: 26px;
  border-top: 1px solid var(--line-on-paper);
  color: var(--muted-on-paper);
  font-size: 14px;
}
.article-taxonomy a { color: var(--accent-strong); }
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 760px;
  margin: 48px auto 0;
}
.post-navigation a {
  display: block;
  height: 100%;
  padding: 24px;
  border: 1px solid var(--line-on-paper);
  border-radius: 7px;
  background: #fff;
}
.post-navigation a:hover { border-color: var(--accent); }
.post-navigation .nav-next { text-align: right; }
.post-navigation small { display: block; margin-bottom: 5px; color: var(--muted-on-paper); }
.post-navigation strong { font-family: var(--serif); font-weight: 600; line-height: 1.5; }

.archive-main { padding: 80px 0 104px; }
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}
.post-card {
  overflow: hidden;
  border: 1px solid var(--line-on-paper);
  border-radius: 8px;
  background: #fff;
}
.post-card-image {
  display: block;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--paper-dim);
}
.post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .25s ease;
}
.post-card:hover .post-card-image img { transform: scale(1.025); }
.post-card-body { padding: 28px 26px 30px; }
.post-card-meta { margin-bottom: 11px; color: var(--accent-strong); font-size: 13px; }
.post-card h2 {
  margin: 0 0 13px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.48;
}
.post-card h2 a:hover { color: var(--accent-strong); }
.post-card p { margin: 0; color: var(--muted-on-paper); font-size: 14.5px; line-height: 1.7; }
.pagination { margin-top: 56px; }
.pagination .nav-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.pagination .page-numbers {
  min-width: 40px;
  padding: 7px 12px;
  border: 1px solid var(--line-on-paper);
  border-radius: 4px;
  text-align: center;
}
.pagination .current,
.pagination a:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.empty-state { padding: 56px; border: 1px solid var(--line-on-paper); text-align: center; }

/* Branded 404 page. */
body.error404 {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}
body.error404 #primary.site-main {
  display: flex;
  flex: 1 0 auto;
  flex-direction: column;
}
.error-page {
  flex: 1 0 auto;
  padding: 120px 0 132px;
}
.error-page-inner { max-width: 720px; }
.error-code {
  display: block;
  margin-bottom: 16px;
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .1em;
}
.error-page h1 {
  margin: 0 0 22px;
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 600;
  line-height: 1.35;
}
.error-page p {
  max-width: 52ch;
  margin: 0 0 34px;
  color: var(--muted-on-paper);
  font-size: 17px;
}
.error-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-secondary {
  display: inline-block;
  padding: 13px 25px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
}
.btn-secondary:hover {
  border-color: var(--accent-strong);
  color: var(--accent-strong);
}

.article-cta {
  padding: 110px 0;
  background: var(--ink);
  color: var(--paper);
}
.article-cta h2 {
  max-width: 16ch;
  margin: 0 0 32px;
  color: var(--paper);
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 600;
  line-height: 1.45;
}
.btn-primary {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 5px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
}
.btn-primary:hover { background: var(--accent-strong); color: #fff; }

footer.cyberp7n-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 30px 0;
  border-top: 1px solid var(--line-on-ink);
  background: var(--ink);
  color: var(--muted-on-ink);
  font-size: 13.5px;
}
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-privacy { border-bottom: 1px solid rgba(154, 162, 172, .55); }
.footer-privacy:hover { color: #fff; border-color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Privacy policy page. */
.privacy-hero {
  padding: 92px 0 76px;
  background: var(--ink);
  color: var(--paper);
}
.privacy-eyebrow {
  margin-bottom: 18px;
  color: var(--muted-on-ink);
  font-size: 14px;
  letter-spacing: .06em;
}
.privacy-title {
  margin: 0;
  color: var(--paper);
  font-family: var(--serif);
  font-size: clamp(34px, 4.6vw, 54px);
  font-weight: 600;
  line-height: 1.32;
}
.privacy-content { padding: 92px 0 110px; }
.privacy-copy { max-width: 780px; }
.privacy-copy > p:first-child {
  margin-top: 0;
  color: var(--muted-on-paper);
  font-size: 17px;
}
.privacy-copy section {
  padding: 34px 0;
  border-bottom: 1px solid var(--line-on-paper);
}
.privacy-copy section:last-child { padding-bottom: 0; border-bottom: 0; }
.privacy-copy h2 {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.5;
}
.privacy-copy p { margin: 0 0 14px; color: var(--muted-on-paper); }
.privacy-copy p:last-child { margin-bottom: 0; }
.privacy-copy ul { margin: 12px 0 0; padding-left: 1.4em; color: var(--muted-on-paper); }
.privacy-copy a { color: var(--accent-strong); border-bottom: 1px solid var(--accent); }

@media (max-width: 640px) {
  .privacy-hero { padding: 72px 0 62px; }
  .privacy-content { padding: 68px 0 82px; }
  .privacy-copy section { padding: 28px 0; }
}

@media (max-width: 960px) {
  .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .nav-inner { display: flex; align-items: center; }
  nav.links { display: none; }
  .brand { flex: 0 1 auto; }
  .nav-cta { display: inline-block; margin-left: auto; }
  .mobile-menu {
    display: block;
    position: fixed;
    left: 20px;
    bottom: max(20px, env(safe-area-inset-bottom));
    z-index: 100;
    width: 48px;
    height: 48px;
    margin: 0;
  }
  .mobile-menu-toggle {
    width: 48px;
    height: 48px;
    min-height: 48px;
    padding: 13px;
    justify-content: center;
    border-radius: 5px;
    background: var(--ink);
    color: var(--paper);
    box-shadow:
      0 0 0 1px rgba(255, 255, 255, .38),
      0 2px 10px rgba(255, 255, 255, .14),
      0 8px 24px rgba(20, 24, 31, .28);
  }
  .mobile-menu-toggle-input:hover + .mobile-menu-toggle,
  .mobile-menu-toggle-input:checked + .mobile-menu-toggle {
    background: var(--accent-strong);
    color: #fff;
  }
  .mobile-menu-toggle-input:focus-visible + .mobile-menu-toggle {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
  }
  .mobile-links {
    position: fixed;
    top: auto;
    left: 0;
    right: 0;
    bottom: calc(max(20px, env(safe-area-inset-bottom)) + 58px);
    z-index: 99;
    width: 100%;
    max-height: calc(100dvh - 106px);
    overflow-y: auto;
    padding: 12px 20px 18px;
    border-right: 0;
    border-left: 0;
    border-radius: 6px 6px 0 0;
  }
  .mobile-menu-toggle-input:checked ~ .mobile-links { display: grid; }
}
@media (max-width: 640px) {
  .wrap, .nav-inner { padding-left: 20px; padding-right: 20px; }
  .nav-inner { padding-top: 14px; padding-bottom: 14px; }
  .brand { font-size: 17px; }
  .nav-cta { padding: 9px 13px; font-size: 13px; }
  .mobile-menu { left: 16px; bottom: max(16px, env(safe-area-inset-bottom)); }
  .mobile-links {
    left: 0;
    right: 0;
    bottom: calc(max(16px, env(safe-area-inset-bottom)) + 58px);
    padding-right: 20px;
    padding-left: 20px;
  }
  .article-main, .archive-main { padding: 52px 0 76px; }
  .article-hero, .archive-hero { padding: 80px 0 72px; }
  .article-content { font-size: 16px; }
  .error-page { padding: 80px 0 96px; }
  .error-page p { font-size: 16px; }
  .post-grid, .post-navigation { grid-template-columns: 1fr; }
  .post-navigation .nav-next { text-align: left; }
}