/*
Theme Name: oopbuy prism
Theme URI: https://sheetfinds.com/
Author: oopbuy prism Team
Description: A refined, prismatic SEO WordPress theme for the oopbuy Prism spreadsheet shopping guide. Deep plum + electric teal + pearl ivory palette.
Version: 1.0.0
Requires at least: 5.8
Requires PHP: 7.4
License: GPLv2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: oopbuy-prism
*/

:root {
  --color-bg: #f6f3ed;
  --color-surface: #ffffff;
  --color-accent: #5a2a7a;
  --color-accent-dark: #3f1a58;
  --color-accent-2: #0ea5a4;
  --color-text: #171423;
  --color-text-muted: #605c70;
  --color-border: #e5ddce;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 6px rgba(23,20,35,0.06);
  --shadow-md: 0 10px 24px rgba(90,42,122,0.14);
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, -apple-system, Segoe UI, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0e0a18;
    --color-surface: #1f1830;
    --color-accent: #a06bc0;
    --color-accent-dark: #8148a6;
    --color-accent-2: #35cfce;
    --color-text: #f3eef9;
    --color-text-muted: #a9a3bd;
    --color-border: #2b2240;
    --shadow-md: 0 10px 24px rgba(0,0,0,0.5);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
}
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 400; line-height: 1.2; color: var(--color-text); margin: 0 0 0.6em; }
h1 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-dark); }
img { max-width: 100%; height: auto; display: block; }

:focus-visible { outline: 3px solid var(--color-accent-2); outline-offset: 2px; border-radius: 3px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* === Announcement === */
.announce {
  background: var(--color-accent);
  color: #f6f3ed;
  text-align: center;
  padding: 8px 16px;
  font-size: 0.92rem;
  font-family: var(--font-sans);
  letter-spacing: 0.02em;
}

/* === Header === */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  gap: 20px;
  flex-wrap: nowrap;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-serif);
  color: var(--color-accent);
  text-decoration: none;
  flex-shrink: 0;
}
.brand .brand-name {
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-accent);
}
.brand .tag {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-2);
}

.nav-primary {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-grow: 1;
  justify-content: flex-end;
}
.nav-list {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}
.nav-item { position: relative; }
.nav-item > a,
.nav-item > details > summary {
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  padding: 6px 2px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s;
}
.nav-item > a:hover,
.nav-item > details > summary:hover { color: var(--color-accent); }

.nav-item > details > summary::-webkit-details-marker { display: none; }
.nav-item > details > summary::marker { content: ""; }
.nav-item > details[open] > summary .arrow { transform: rotate(180deg); }
.nav-item > details > summary .arrow { display: inline-block; transition: transform 0.2s; font-size: 0.75em; }

.nav-sub {
  list-style: none;
  margin: 0;
  padding: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 240px;
  max-height: 360px;
  overflow-y: auto;
  z-index: 50;
}
.nav-sub li { margin: 0; }
.nav-sub a {
  display: block;
  padding: 8px 12px;
  font-size: 0.9rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  text-decoration: none;
}
.nav-sub a:hover { background: var(--color-bg); color: var(--color-accent); }

.cta-group {
  display: inline-flex;
  gap: 10px;
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}
.btn-primary {
  background: var(--color-accent-2);
  color: #ffffff;
  border-color: var(--color-accent-2);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); color: #ffffff; }
.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-secondary:hover { background: var(--color-accent); color: #ffffff; }
.btn-outline-light {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255,255,255,0.7);
}
.btn-outline-light:hover { background: rgba(255,255,255,0.1); color: #ffffff; }
.btn-filled-teal {
  background: var(--color-accent-2);
  color: #ffffff;
  border-color: var(--color-accent-2);
}
.btn-filled-teal:hover { color: #ffffff; transform: translateY(-1px); }

.menu-toggle { position: absolute; left: -9999px; opacity: 0; }
.menu-toggle-label {
  display: none;
  cursor: pointer;
  padding: 8px 12px;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  align-items: center;
  gap: 6px;
}

@media (max-width: 960px) {
  .masthead { flex-wrap: wrap; }
  .menu-toggle-label { display: inline-flex; }
  .nav-primary {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--color-border);
    margin-top: 10px;
  }
  .menu-toggle:checked ~ .nav-primary { display: flex; }
  .nav-list { flex-direction: column; align-items: stretch; width: 100%; gap: 4px; }
  .nav-item { width: 100%; }
  .nav-item > a,
  .nav-item > details > summary {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    width: 100%;
    justify-content: space-between;
  }
  .nav-sub {
    position: static;
    box-shadow: none;
    border: 1px solid var(--color-border);
    margin-top: 4px;
    min-width: 0;
    width: 100%;
  }
  .cta-group { width: 100%; flex-direction: column; }
  .cta-group .btn { width: 100%; justify-content: center; }
}

/* === Hero === */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(90,42,122,0.80) 0%, rgba(90,42,122,0.44) 55%, rgba(14,165,164,0.28) 100%);
  z-index: -1;
}
.hero-content { position: relative; max-width: 760px; padding: 90px 24px; z-index: 1; color: #ffffff; }
.hero-content .eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  color: #c8f5f4;
  font-size: 1rem;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}
.hero-content h1 { color: #ffffff; margin-bottom: 20px; }
.hero-content .lede { font-size: 1.1rem; max-width: 560px; margin-bottom: 28px; color: #f3eaf7; }
.hero-content .cta-group { gap: 12px; }

/* === Sections === */
section.block { padding: 72px 0; }
.block-head { text-align: center; max-width: 760px; margin: 0 auto 48px; }
.block-head .eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-accent-2);
  margin-bottom: 10px;
  font-size: 1rem;
}

/* === Category Grid (prism-facet) === */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 1080px) { .cat-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
.cat-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-bottom: 2px solid var(--color-accent);
  border-radius: 8px;
  padding: 22px 18px 18px;
  text-decoration: none;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.cat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(14,165,164,0.22);
  color: var(--color-text);
}
.cat-card .corner-diamond {
  position: absolute;
  top: 10px;
  right: 10px;
  color: var(--color-accent-2);
  font-size: 14px;
}
.cat-card .emoji-wrap {
  width: 72px;
  height: 72px;
  background: rgba(14,165,164,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 36px;
  margin-bottom: 4px;
}
.cat-card .cat-name {
  font-family: var(--font-sans);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
}
.cat-card .cat-link {
  margin-top: auto;
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  align-self: flex-end;
}

/* === Homepage article === */
.home-article {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  max-width: 920px;
  margin: 0 auto;
}
@media (max-width: 720px) { .home-article { padding: 32px 20px; } }
.home-article h2 { margin-top: 1.5em; }
.home-article h2:first-of-type { margin-top: 0; }
.home-article ul { padding-left: 1.4em; margin-bottom: 1em; }
.home-article ul li { margin-bottom: 0.4em; }
.home-article blockquote {
  border-left: 4px solid var(--color-accent-2);
  margin: 1.6em 0;
  padding: 0.4em 1.2em;
  color: var(--color-text-muted);
  font-style: italic;
}

/* === Prism panel article grid === */
.panel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 960px) { .panel-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .panel-grid { grid-template-columns: 1fr; } }
.panel-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-text);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
}
.panel-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  color: var(--color-text);
}
.panel-card .panel-top {
  background: var(--color-accent);
  height: 10px;
  position: relative;
}
.panel-card .panel-top::after {
  content: "◆";
  position: absolute;
  color: var(--color-accent-2);
  font-size: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-surface);
  padding: 0 6px;
  line-height: 1;
}
.panel-card .panel-body { padding: 24px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.panel-card .panel-eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-accent-2);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}
.panel-card .panel-title { font-family: var(--font-serif); font-size: 1.35rem; margin: 0; color: var(--color-text); line-height: 1.25; }
.panel-card .panel-excerpt { font-size: 0.92rem; color: var(--color-text-muted); margin: 0; }
.panel-card .panel-read { margin-top: auto; color: var(--color-accent); font-weight: 600; font-size: 0.9rem; }

/* === Final CTA strip === */
.cta-strip {
  background: var(--color-accent);
  color: #ffffff;
  text-align: center;
  padding: 72px 20px;
}
.cta-strip .eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  color: #c8f5f4;
  font-size: 1rem;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}
.cta-strip h2 { color: #ffffff; margin-bottom: 24px; }
.cta-strip .cta-group { justify-content: center; display: inline-flex; gap: 12px; flex-wrap: wrap; }

/* === Footer === */
.site-footer {
  background: var(--color-text);
  color: #e8e3f1;
  padding: 56px 20px 24px;
}
@media (prefers-color-scheme: dark) {
  .site-footer { background: #0a0612; }
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { color: #ffffff; font-family: var(--font-serif); font-size: 1.15rem; margin-bottom: 14px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; font-size: 0.92rem; }
.footer-grid a { color: #e8e3f1; text-decoration: none; }
.footer-grid a:hover { color: var(--color-accent-2); }
.footer-grid .brand-blurb { font-size: 0.92rem; color: #c6bedb; margin-bottom: 14px; }
.footer-bottom {
  max-width: 1200px;
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.85rem;
  color: #a9a0c0;
}

/* === Guide page === */
.guide-wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px;
}
@media (max-width: 960px) { .guide-wrap { grid-template-columns: 1fr; } }
.guide-main { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 40px 32px; }
.guide-main .breadcrumb { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 18px; }
.guide-main .breadcrumb a { color: var(--color-accent); }
.guide-main .guide-eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-accent-2);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.guide-main .guide-title { color: var(--color-text); margin-bottom: 20px; }
.guide-main .guide-rule {
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin-bottom: 28px;
}
.guide-main .guide-body { font-size: 1.02rem; }
.guide-main .guide-body h2 { margin-top: 1.6em; }
.guide-main .guide-body blockquote {
  border-left: 4px solid var(--color-accent-2);
  padding: 0.4em 1.2em;
  margin: 1.6em 0;
  color: var(--color-text-muted);
  font-style: italic;
}
.sidebar-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  margin-bottom: 20px;
}
.sidebar-box h3 { font-family: var(--font-serif); font-size: 1.1rem; margin-bottom: 10px; color: var(--color-accent); }
.sidebar-box ul { list-style: none; padding: 0; margin: 0; }
.sidebar-box li { margin-bottom: 6px; font-size: 0.9rem; }
.sidebar-box a { color: var(--color-text); text-decoration: none; }
.sidebar-box a:hover { color: var(--color-accent); }
.sidebar-box.cta-box {
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
  text-align: center;
}
.sidebar-box.cta-box h3 { color: #ffffff; }
.sidebar-box.cta-box p { color: #e8d4f1; font-size: 0.92rem; margin-bottom: 14px; }
.sidebar-box.cta-box .cta-group { flex-direction: column; gap: 10px; }
.sidebar-box.cta-box .cta-group .btn { width: 100%; justify-content: center; }

.related-wrap { max-width: 1200px; margin: 0 auto 48px; padding: 0 20px; }
.related-wrap h3 { font-family: var(--font-serif); font-size: 1.5rem; margin-bottom: 20px; }

/* === Standard page === */
.standard-page {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px;
}
@media (max-width: 960px) { .standard-page { grid-template-columns: 1fr; } }

/* === Fallback card (index) === */
.fallback-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px;
}
@media (max-width: 820px) { .fallback-grid { grid-template-columns: 1fr; } }