/*
Theme Name:  Grand Vista
Theme URI:   https://grandvista.co.uk
Author:      Grand Vista
Description: A lightweight, elegant European editorial theme for grandvista.co.uk. Zero frameworks, zero web-font requests, Core Web Vitals first. Six configurable homepage layouts and a built-in ad manager.
Version:     2.0.0
Requires PHP: 7.4
License:     GNU General Public License v2 or later
Text Domain: grandvista
*/

/* ==========================================================================
   1. DESIGN TOKENS
   ========================================================================== */
:root {
  --ink:        #14213D;
  --ink-soft:   #22315A;
  --paper:      #FBFAF8;
  --bordeaux:   #8C1D2F;
  --stone:      #6E6A63;
  --hairline:   #E5E1DA;
  --white:      #FFFFFF;

  --font-display: "Didot", "Bodoni MT", "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --measure: 68ch;
  --gap: 1.5rem;
  --radius: 2px;
  --header-h: 72px;
  --container: 1200px;
}

/* ==========================================================================
   2. RESET & BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
}
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 .5em;
  text-wrap: balance;
}
a { color: var(--bordeaux); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--bordeaux); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.container { max-width: var(--container); margin-inline: auto; padding-inline: 1rem; }
.site-main { padding-bottom: 1rem; }

.screen-reader-text { position: absolute; width: 1px; height: 1px; clip-path: inset(50%); overflow: hidden; white-space: nowrap; }
.skip-link { position: absolute; left: 1rem; top: -100%; background: var(--ink); color: var(--white); padding: .5rem 1rem; z-index: 100; }
.skip-link:focus { top: 1rem; }

/* Shared editorial "eyebrow" label */
.eyebrow, .single-eyebrow {
  font-family: var(--font-body);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--bordeaux);
  margin: 0 0 .35rem;
}
.eyebrow a, .single-eyebrow a { color: var(--bordeaux); }

/* ==========================================================================
   3. HEADER — sticky 3-column
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 250, 248, .96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--hairline);
}
.header-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center; gap: 1rem;
  min-height: var(--header-h);
}
.site-brand { text-align: center; padding: .35rem 1rem; border-top: 1px solid var(--ink); border-bottom: 3px double var(--ink); }
.site-brand a {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  letter-spacing: .18em; text-transform: uppercase; color: var(--ink); white-space: nowrap;
}
.site-brand a:hover { text-decoration: none; color: var(--bordeaux); }

.primary-nav { justify-self: start; }
.primary-nav ul { list-style: none; display: flex; gap: 1.25rem; margin: 0; padding: 0; }
.primary-nav a { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink); }
.primary-nav a:hover { color: var(--bordeaux); text-decoration: none; }

.nav-toggle { display: none; background: none; border: 1px solid var(--hairline); border-radius: var(--radius); padding: .5rem .65rem; cursor: pointer; color: var(--ink); }
.nav-toggle-bars { display: block; width: 18px; height: 2px; background: currentColor; box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor; margin: 7px 0; }

.header-search { justify-self: end; }
.search-form { display: flex; border: 1px solid var(--hairline); border-radius: var(--radius); background: var(--white); }
.search-form input[type="search"] { border: 0; background: transparent; font: inherit; font-size: .85rem; padding: .45rem .7rem; width: 11rem; color: var(--ink); }
.search-form input[type="search"]:focus { outline: none; }
.search-form:focus-within { border-color: var(--bordeaux); }
.search-form button { border: 0; background: var(--ink); color: var(--white); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; padding: 0 .8rem; cursor: pointer; }
.search-form button:hover { background: var(--bordeaux); }

@media (max-width: 1023px) {
  .nav-toggle { display: block; }
  .primary-nav .menu-wrap { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--hairline); padding: 1rem; }
  .primary-nav.is-open .menu-wrap { display: block; }
  .primary-nav ul { flex-direction: column; gap: .75rem; }
  .search-form input[type="search"] { width: 7.5rem; }
}
@media (max-width: 639px) {
  .search-form input[type="search"] { width: 6rem; font-size: .8rem; }
  .search-form button { padding: 0 .55rem; }
}

/* ==========================================================================
   4. ADS
   ========================================================================== */
.ad-slot { margin: 2.5rem 0; text-align: center; }
.ad-slot img, .ad-slot iframe, .ad-slot ins { margin-inline: auto; }
.ad-placeholder {
  display: grid; place-items: center; text-align: center;
  background: repeating-linear-gradient(45deg, #F1EFEA, #F1EFEA 10px, #EAE7E0 10px, #EAE7E0 20px);
  border: 1px dashed var(--hairline);
  color: var(--stone); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
  line-height: 1.5; min-height: 90px; padding: 1rem;
}
.ad-inline    { min-height: 120px; margin: 2.75rem 0; }
.ad-sidebar-1 { min-height: 250px; }
.ad-sidebar-2 { min-height: 600px; }
.ad-footer    { min-height: 100px; margin: 2.5rem auto 0; max-width: var(--container); }

/* ==========================================================================
   5. RUBRIQUE section headings
   ========================================================================== */
.rubrique { display: flex; align-items: center; gap: 1rem; margin: 3.25rem 0 1.5rem; }
.rubrique h2 { font-size: 1.1rem; letter-spacing: .16em; text-transform: uppercase; margin: 0; color: var(--ink); }
.rubrique::before { content: ""; width: 2rem; height: 2px; background: var(--bordeaux); }
.rubrique::after { content: ""; flex: 1; border-top: 1px solid var(--hairline); }
.rubrique .rubrique-link { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
section:first-child .rubrique { margin-top: 1.5rem; }

/* ==========================================================================
   6. SHARED CARD PATTERNS
   ========================================================================== */
.card { background: var(--white); border: 1px solid var(--hairline); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.card .card-body { padding: 1rem 1.1rem 1.25rem; }
.card h3 { font-size: 1.12rem; }
.card h3 a, .list-row h3 a, .feature h3 a, .mosaic-lead h3 a, .mosaic-cell h3 a, .magazine-side h3 a { color: var(--ink); }
.card h3 a:hover { color: var(--bordeaux); text-decoration: none; }

.thumb { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--hairline); }
.thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
a.thumb:hover img { transform: scale(1.03); }

.post-meta { font-size: .74rem; letter-spacing: .05em; text-transform: uppercase; color: var(--stone); margin: .4rem 0 0; }
.post-meta a { color: var(--bordeaux); }
.post-meta .sep { margin: 0 .4em; color: var(--hairline); }
.excerpt { color: var(--stone); font-size: .92rem; margin: .5rem 0 0; }

/* ---- MOSAIC (Division 1) ---- */
.mosaic { display: grid; gap: var(--gap); grid-template-columns: 1.4fr 1fr; align-items: start; }
.mosaic-lead .thumb { aspect-ratio: 16 / 9; border-radius: var(--radius); }
.mosaic-lead-body { padding-top: .9rem; }
.mosaic-lead h3 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: .2rem 0 .4rem; }
.mosaic-side { display: grid; gap: 1rem; }
.mosaic-cell { display: grid; grid-template-columns: 96px 1fr; gap: .85rem; align-items: center; }
.mosaic-cell .thumb { aspect-ratio: 1 / 1; border-radius: var(--radius); }
.mosaic-cell h3 { font-size: .98rem; margin: 0; }

/* ---- GRID (Division 2) ---- */
.grid-3 { display: grid; gap: var(--gap); grid-template-columns: repeat(3, 1fr); }

/* ---- LIST (Division 3) ---- */
.list-row { display: grid; grid-template-columns: 260px 1fr; gap: var(--gap); padding: 1.25rem 0; border-bottom: 1px solid var(--hairline); align-items: start; }
.list-wrap .list-row:first-child { border-top: 1px solid var(--hairline); }
.list-row h3 { font-size: 1.3rem; }
.list-row .thumb { border-radius: var(--radius); }

/* ---- MAGAZINE (Division 4) ---- */
.magazine { display: grid; gap: var(--gap); grid-template-columns: 3fr 2fr; }
.magazine .feature .thumb { aspect-ratio: 4 / 3; border-radius: var(--radius); margin-bottom: .75rem; }
.magazine .feature h3 { font-size: 1.6rem; }
.magazine-side { display: flex; flex-direction: column; }
.magazine-side article { padding: .9rem 0; border-bottom: 1px solid var(--hairline); }
.magazine-side article:first-child { padding-top: 0; }
.magazine-side article:last-child { border-bottom: 0; }
.magazine-side h3 { font-size: 1.05rem; margin: 0 0 .25rem; }

/* ---- OVERLAY (Division 5) ---- */
.overlay-grid { display: grid; gap: var(--gap); grid-template-columns: repeat(4, 1fr); }
.overlay-card { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 3 / 4; }
.overlay-card a { display: block; height: 100%; color: var(--white); }
.overlay-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.overlay-card:hover img { transform: scale(1.05); }
.overlay-body { position: absolute; inset: auto 0 0 0; padding: 1.1rem 1rem; background: linear-gradient(to top, rgba(20,33,61,.92) 0%, rgba(20,33,61,.55) 45%, transparent 100%); }
.overlay-body .eyebrow { color: #F0D2D7; }
.overlay-card h3 { color: var(--white); font-size: 1.15rem; margin: 0; }
.overlay-card a:hover { text-decoration: none; }

/* ---- RAIL (Division 6) ---- */
.rail { display: grid; gap: var(--gap); grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1023px) {
  .rail { grid-auto-flow: column; grid-auto-columns: 72%; grid-template-columns: none; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: .5rem; -webkit-overflow-scrolling: touch; }
  .rail > * { scroll-snap-align: start; }
}

/* ==========================================================================
   7. LAYOUT — content + sticky sidebar
   ========================================================================== */
.layout { display: grid; gap: 2.5rem; grid-template-columns: minmax(0, 7fr) minmax(0, 3fr); margin-top: var(--gap); }
.layout--full { grid-template-columns: minmax(0, 1fr); max-width: var(--measure); margin-inline: auto; }
.sidebar > * + * { margin-top: var(--gap); }
.sidebar-sticky { position: sticky; top: calc(var(--header-h) + 1rem); }
.sidebar-sticky > * + * { margin-top: var(--gap); }

.widget { background: var(--white); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 1.1rem 1.2rem; }
.widget-title { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; border-bottom: 3px double var(--ink); padding-bottom: .5rem; margin-bottom: .9rem; }
.trending { list-style: none; margin: 0; padding: 0; counter-reset: trend; }
.trending li { counter-increment: trend; display: flex; gap: .75rem; padding: .6rem 0; border-bottom: 1px solid var(--hairline); }
.trending li:last-child { border-bottom: 0; }
.trending li::before { content: counter(trend, decimal-leading-zero); font-family: var(--font-display); font-size: 1.3rem; color: var(--bordeaux); line-height: 1.1; }
.trending a { color: var(--ink); font-size: .92rem; line-height: 1.4; }

/* ==========================================================================
   8. SINGLE POST — tightened editorial header
   ========================================================================== */
.single-hero { max-width: 46rem; margin: 1.75rem auto .5rem; text-align: center; }
.single-eyebrow { margin-bottom: .5rem; }
.single-title { font-size: clamp(2rem, 5vw, 3.15rem); line-height: 1.08; margin: 0 0 .5rem; color: var(--ink); }
.single-standfirst { font-family: var(--font-display); font-size: 1.2rem; color: var(--ink-soft); line-height: 1.4; margin: 0 auto .9rem; max-width: 40rem; }
.single-meta { display: inline-flex; align-items: center; gap: .65rem; text-align: left; font-size: .8rem; color: var(--stone); padding-top: .75rem; border-top: 1px solid var(--hairline); }
.single-avatar img { width: 40px; height: 40px; border-radius: 50%; }
.single-meta a { color: var(--ink); font-weight: 600; text-transform: none; letter-spacing: 0; }
.single-meta-sub { display: block; font-size: .72rem; letter-spacing: .04em; text-transform: uppercase; color: var(--stone); }
.single-meta-sub .sep { margin: 0 .4em; }

.entry-thumb { margin: 1.5rem 0 1.75rem; }
.entry-thumb img { width: 100%; border-radius: var(--radius); }
.entry-thumb figcaption { font-size: .78rem; color: var(--stone); margin-top: .4rem; text-align: center; }

.entry-content { max-width: var(--measure); margin-inline: auto; font-size: 1.06rem; }
.entry-content > * + * { margin-top: 1.1em; }
.entry-content h2 { font-size: 1.6rem; margin-top: 1.6em; }
.entry-content h3 { font-size: 1.3rem; margin-top: 1.4em; }
.entry-content img { border-radius: var(--radius); }
.entry-content blockquote { margin: 1.5em 0; padding: .25em 0 .25em 1.25em; border-left: 3px solid var(--bordeaux); font-family: var(--font-display); font-size: 1.25em; color: var(--ink); }
.entry-content a { text-decoration: underline; text-underline-offset: 3px; }
.entry-content p:first-of-type::first-letter { font-family: var(--font-display); font-size: 3.4em; line-height: .82; float: left; padding: .05em .1em 0 0; color: var(--bordeaux); }

.entry-tags { max-width: var(--measure); margin: 2rem auto 0; }
.entry-tags a { display: inline-block; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; border: 1px solid var(--hairline); border-radius: var(--radius); padding: .25rem .6rem; margin: 0 .35rem .35rem 0; color: var(--stone); }
.entry-tags a:hover { border-color: var(--bordeaux); color: var(--bordeaux); text-decoration: none; }

.related { margin-top: 3.5rem; }
.page-links { margin-top: 1.5rem; font-size: .85rem; }

/* ==========================================================================
   9. FOOTER
   ========================================================================== */
.site-footer { margin-top: 4rem; background: var(--ink); color: #C9CEDA; font-size: .9rem; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: 2fr 1fr 1fr 1fr; padding: 3rem 0 2.5rem; }
.footer-brand { font-family: var(--font-display); font-size: 1.3rem; letter-spacing: .16em; text-transform: uppercase; color: var(--white); margin-bottom: .75rem; }
.footer-title { font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--white); margin: 0 0 .9rem; padding-bottom: .5rem; border-bottom: 1px solid rgba(255,255,255,.15); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .5rem; }
.site-footer a { color: #C9CEDA; }
.site-footer a:hover { color: var(--white); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; padding: 1.1rem 0; border-top: 1px solid rgba(255,255,255,.15); font-size: .8rem; }
.lang-switch { display: flex; gap: .25rem; align-items: center; }
.lang-switch a { padding: .25rem .6rem; border: 1px solid rgba(255,255,255,.25); border-radius: var(--radius); font-size: .72rem; letter-spacing: .1em; }
.lang-switch a[aria-current="true"] { background: var(--bordeaux); border-color: var(--bordeaux); color: var(--white); }

/* Pagination (archives) */
.pagination { margin: 2.5rem 0; display: flex; gap: .4rem; flex-wrap: wrap; }
.pagination .page-numbers { padding: .45rem .8rem; border: 1px solid var(--hairline); border-radius: var(--radius); color: var(--ink); font-size: .85rem; }
.pagination .page-numbers.current { background: var(--ink); color: var(--white); border-color: var(--ink); }
.pagination a.page-numbers:hover { border-color: var(--bordeaux); color: var(--bordeaux); text-decoration: none; }

/* ==========================================================================
   10. RESPONSIVE
   ========================================================================== */
@media (max-width: 1023px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar-sticky { position: static; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .magazine { grid-template-columns: 1fr; }
  .mosaic { grid-template-columns: 1fr; }
  .overlay-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 639px) {
  :root { --header-h: 64px; }
  .grid-3 { grid-template-columns: 1fr; }
  .list-row { grid-template-columns: 1fr; }
  .list-row .thumb { aspect-ratio: 16 / 9; }
  .mosaic-cell { grid-template-columns: 80px 1fr; }
  .overlay-grid { grid-template-columns: 1fr; }
  .overlay-card { aspect-ratio: 16 / 10; }
  .footer-grid { grid-template-columns: 1fr; padding: 2.25rem 0 2rem; }
  .single-standfirst { font-size: 1.05rem; }
  .entry-content p:first-of-type::first-letter { font-size: 2.8em; }
  .ad-sidebar-2 { min-height: 250px; }
}