/*
Theme Name: Surface Pattern Studio
Theme URI: https://github.com/T4shby/AshbyDB
Author: Ashby Studios
Description: Public mill catalog for DesignDB-published patterns. CPT and taxonomies come from the DesignDB Bridge plugin — this theme is presentation only.
Version: 2.2.1
Requires at least: 6.4
Tested up to: 6.8
Requires PHP: 8.1
Text Domain: surface-pattern-studio
License: GNU General Public License v2 or later
*/

:root {
  --ink: #121110;
  --paper: #f4f0ea;
  --paper-2: #faf8f5;
  --muted: #6f6860;
  --line: #ddd5ca;
  --accent: #c45c7a;
  --accent-dark: #9a3f5c;
  --accent-soft: #f3dce4;
  --black: #0a0908;
  --white: #fffefb;
  --font: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --max: 1200px;
  --radius: 14px;
  --shadow: 0 18px 50px rgb(18 17 16 / 8%);
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent-dark); }
.screen-reader-text {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  min-height: var(--header-h);
  border-bottom: 1px solid rgb(255 255 255 / 8%);
  background: rgb(255 255 255 / 88%);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.92rem;
}
.brand img, .brand svg { height: 40px; width: auto; }
.site-nav__list, .footer-nav {
  display: flex;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.site-nav a, .footer-nav a { font-size: 0.92rem; font-weight: 600; }
.header-actions { display: flex; gap: 0.5rem; align-items: center; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.4rem;
  cursor: pointer;
}
.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

.container-custom, .site-main { width: min(var(--max), calc(100% - 2rem)); margin-inline: auto; }
.site-main { padding-bottom: 0; }

/* Buttons */
.btn, .btn-primary, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 999px;
  padding: 0.65rem 1.25rem;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover, .btn-primary:hover { background: var(--accent-dark); color: white; transform: translateY(-1px); }
.btn-lg { padding: 0.85rem 1.6rem; font-size: 1rem; }
.btn-sm { padding: 0.45rem 0.95rem; font-size: 0.85rem; }
.btn-secondary { background: var(--ink); color: white; }
.btn-secondary:hover { background: #2a2724; color: white; }
.btn-ghost {
  background: transparent;
  color: inherit;
  border: 1px solid rgb(255 255 255 / 35%);
}
.btn-ghost:hover { background: rgb(255 255 255 / 10%); color: white; }

/* Hero */
.hero {
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 1.5rem 5rem;
  background: var(--black);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgb(196 92 122 / 18%), transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 100%, rgb(246 243 238 / 6%), transparent 50%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 46rem; }
.hero-eyebrow {
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 1rem;
}
.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.75rem);
  line-height: 1.08;
  margin: 0 0 1.25rem;
  font-weight: 700;
}
.hero-lede { color: #c8c0b6; font-size: clamp(1.05rem, 2vw, 1.2rem); margin: 0 0 2rem; max-width: 38rem; margin-inline: auto; }
.hero-actions { display: flex; gap: 0.85rem; justify-content: center; flex-wrap: wrap; }
.hero-scroll-hint {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #888;
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* Stats band */
.stats-band {
  margin-top: -3rem;
  position: relative;
  z-index: 2;
  padding: 0 1rem 2rem;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  background: var(--white);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.stat-card {
  text-align: center;
  padding: 1rem 0.75rem;
  border-right: 1px solid var(--line);
}
.stat-card:last-child { border-right: 0; }
.stat-card--accent { background: var(--accent-soft); border-radius: var(--radius); border-right: 0; }
.stat-value {
  display: block;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
}
.stat-value--text { font-size: 1.15rem; }
.stat-label { display: block; margin-top: 0.35rem; font-size: 0.82rem; color: var(--muted); }

/* Sections */
.section { padding: 4.5rem 0; }
.section-head { text-align: center; max-width: 40rem; margin: 0 auto 2.5rem; }
.section-head h2 { font-size: clamp(1.75rem, 3vw, 2.35rem); margin: 0 0 0.65rem; }
.section-head p { margin: 0; color: var(--muted); }
.section-head--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  text-align: left;
  max-width: none;
  margin-bottom: 2rem;
}
.section--preview { background: var(--paper-2); }
.section--categories { padding-top: 2rem; }

/* Category pills */
.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
}
.category-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.category-pill:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 20px rgb(196 92 122 / 12%);
  transform: translateY(-2px);
  color: var(--ink);
}
.category-pill__count {
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--paper);
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
}

/* Mosaic grid */
.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0.85rem;
}
.pattern-card { margin: 0; }
.pattern-card__link { display: block; height: 100%; }
.pattern-card__media {
  position: relative;
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  background: #222;
  box-shadow: var(--shadow);
  height: 100%;
  min-height: 200px;
}
.pattern-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 5;
  transition: transform 0.45s ease;
}
.pattern-card__placeholder {
  display: block;
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, #333, #111);
}
.pattern-card__overlay {
  position: absolute;
  inset: auto 0 0;
  padding: 1rem;
  background: linear-gradient(transparent, rgb(0 0 0 / 78%));
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 0.5rem;
}
.pattern-card__code { font-weight: 700; font-size: 1rem; letter-spacing: 0.04em; }
.pattern-card__cat { font-size: 0.78rem; opacity: 0.85; }
.pattern-card:hover .pattern-card__img { transform: scale(1.04); }
.pattern-card--default { grid-column: span 3; }
.pattern-card--wide { grid-column: span 6; }
.pattern-card--wide .pattern-card__img { aspect-ratio: 16 / 9; }
.pattern-card--tall { grid-column: span 3; }
.pattern-card--tall .pattern-card__img { aspect-ratio: 3 / 4; }

/* Empty catalog */
.empty-catalog {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px dashed var(--line);
}
.empty-catalog h3 { margin: 0 0 0.75rem; font-size: 1.5rem; }
.empty-catalog p { max-width: 32rem; margin: 0 auto; color: var(--muted); }
.empty-catalog__icon {
  width: 64px; height: 64px; margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-soft), var(--paper));
  border: 2px solid var(--line);
}
.empty-catalog__admin { margin-top: 1rem; font-size: 0.9rem; }

/* About */
.about-split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3rem; align-items: center; }
.about-body { color: var(--muted); }
.about-features {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}
.about-features li {
  padding-left: 1.35rem;
  position: relative;
  font-weight: 500;
}
.about-features li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55rem;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.about-visual {
  position: relative;
  min-height: 320px;
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
}
.about-visual__tile {
  position: absolute;
  border-radius: var(--radius);
  background-size: cover;
  background-position: center;
}
.about-visual__tile--1 {
  inset: 0 30% 20% 0;
  background: linear-gradient(145deg, #c45c7a, #7a3550);
}
.about-visual__tile--2 {
  inset: 25% 0 0 45%;
  background: linear-gradient(145deg, #2a2724, #121110);
}
.about-visual__tile--3 {
  inset: auto 15% 8% 20%;
  height: 35%;
  background: linear-gradient(145deg, #f4f0ea, #ddd5ca);
  box-shadow: var(--shadow);
}

/* CTA */
.cta-band {
  background: var(--ink);
  color: white;
  text-align: center;
  padding: 5rem 1.5rem;
}
.cta-band__inner { max-width: 38rem; margin: 0 auto; }
.cta-band h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin: 0 0 1rem; }
.cta-band p { color: #b8b0a6; margin: 0 0 2rem; }
.cta-band .btn-ghost { border-color: rgb(255 255 255 / 25%); }

.pattern-card--catalog { grid-column: auto; }
.pattern-card--catalog .pattern-card__media { min-height: 0; }
.pattern-card--catalog .pattern-card__img { aspect-ratio: 1; }

/* Guest portal (front page) */
.portal-hero {
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
  display: grid;
  place-items: center;
  padding: 3rem 1.5rem;
  background: var(--paper-2);
  text-align: center;
}
.portal-hero__inner { max-width: 36rem; }
.portal-hero h1 {
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  margin: 0 0 1rem;
  line-height: 1.12;
}
.portal-hero__lede { color: var(--muted); margin: 0 0 1.75rem; font-size: 1.08rem; }
.portal-hero__stat { margin-top: 2rem; color: var(--muted); font-size: 0.95rem; }

/* Catalog (prototype gallery) */
.catalog-toolbar {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 1.75rem 0 1.25rem;
}
.catalog-toolbar__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.catalog-toolbar__head h1 { margin: 0.25rem 0 0; font-size: clamp(1.75rem, 3vw, 2.35rem); }
.catalog-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  font-size: 0.92rem;
  color: var(--muted);
}
.catalog-stats strong { color: var(--ink); }
.catalog-search {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1rem;
}
.catalog-search__input { flex: 1 1 220px; }
.catalog-search__sort { flex: 0 1 160px; }
.catalog-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.catalog-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  font-weight: 600;
  font-size: 0.88rem;
}
.catalog-chip.is-active,
.catalog-chip:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--ink);
}
.catalog-chip__count {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 500;
}
.catalog-section { padding-top: 1.5rem; padding-bottom: 3rem; }
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.catalog-grid .pattern-card__img { aspect-ratio: 1; }

/* Archive (legacy) */
.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}
.home-card { background: white; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.home-card img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.home-card h3 { margin: 0; padding: 0.85rem 1rem 1.1rem; font-size: 1rem; }

.archive-hero {
  background: linear-gradient(180deg, var(--paper-2), var(--paper));
  padding: 3.5rem 0 2rem;
  text-align: center;
}
.archive-hero h1 { font-size: clamp(2rem, 4vw, 3rem); margin: 0 0 0.75rem; }
.archive-hero p { color: var(--muted); max-width: 40rem; margin: 0 auto; }
.archive-count { margin-top: 1rem; font-size: 0.95rem; color: var(--muted); }
.archive-count strong { color: var(--ink); font-size: 1.1rem; }

.pattern-archive-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.pattern-archive-card--wide { grid-column: span 2; }
.pattern-archive-card__link { display: block; position: relative; color: white; border-radius: var(--radius); overflow: hidden; }
.pattern-archive-card__img, .pattern-archive-card__placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: #222;
  transition: transform 0.4s ease;
}
.pattern-archive-card__link:hover .pattern-archive-card__img { transform: scale(1.03); }
.pattern-archive-card--wide .pattern-archive-card__img { aspect-ratio: 8 / 5; }
.pattern-archive-card__meta {
  position: absolute;
  inset: auto 0 0;
  display: flex;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: linear-gradient(transparent, rgb(0 0 0 / 72%));
  font-weight: 600;
}

.filter-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1.25rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.filter-bar label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 0.35rem; color: var(--muted); }

.form-select, .form-input, select, input[type="search"] {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  background: white;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  background: var(--white);
  margin-top: 0;
}
.footer-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: start;
}
.footer-brand strong { display: block; color: var(--ink); margin-bottom: 0.35rem; }
.footer-copy { grid-column: 1 / -1; margin: 0; padding-top: 1rem; border-top: 1px solid var(--line); }

/* Single pattern */
.pattern-single-wrap { background: var(--black); color: white; }
.pattern-image-panel-artistic {
  display: grid;
  grid-template-columns: minmax(260px, 300px) 1fr;
  min-height: calc(100vh - var(--header-h));
}
.pattern-info-sidebar { padding: 2rem 1.25rem; border-right: 1px solid #222; }
.design-info-box { display: grid; gap: 1rem; margin-bottom: 1.5rem; }
.design-id-label, .design-number-label, .design-status-label {
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: #888;
}
.design-id-value, .design-number-value { font-size: 2rem; font-weight: 700; }
.design-status-value { color: var(--accent); font-weight: 600; }
.category-tag-artistic {
  display: inline-block;
  margin: 0 0.4rem 0.4rem 0;
  padding: 0.25rem 0.65rem;
  border: 1px solid #444;
  border-radius: 999px;
  font-size: 0.8rem;
}
.pattern-description-artistic { color: #cfc8bf; margin-top: 1.25rem; line-height: 1.6; }
.pattern-image-main-container { position: relative; display: grid; place-items: center; padding: 2rem; }
.pattern-image-large { max-height: 78vh; width: auto; margin: 0 auto; }
.gallery-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgb(0 0 0 / 45%);
  color: white;
  border: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
}
.gallery-nav-btn-left { left: 1rem; }
.gallery-nav-btn-right { right: 1rem; }
.thumbnail-strip-artistic { grid-column: 1 / -1; padding: 1rem; background: #111; }
.thumbnail-item-artistic {
  border: 0;
  padding: 0;
  background: none;
  cursor: pointer;
  border-radius: 6px;
  overflow: hidden;
}
.thumbnail-item-artistic img { width: 88px; height: 88px; object-fit: cover; }
.thumbnail-item-artistic.active { outline: 3px solid var(--accent); }

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}
.related-grid img { aspect-ratio: 1; object-fit: cover; width: 100%; border-radius: 8px; }

.nav-links, .page-numbers { display: flex; gap: 0.5rem; justify-content: center; list-style: none; padding: 2rem 0; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card:nth-child(2) { border-right: 0; }
  .stat-card { border-right: 0; border-bottom: 1px solid var(--line); padding-bottom: 1.25rem; }
  .stat-card:nth-last-child(-n+2) { border-bottom: 0; }
  .mosaic-grid { grid-template-columns: repeat(6, 1fr); }
  .pattern-card--default, .pattern-card--tall { grid-column: span 3; }
  .pattern-card--wide { grid-column: span 6; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.25rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
    box-shadow: var(--shadow);
  }
  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .site-nav__list { flex-direction: column; gap: 0.85rem; }
  .header-actions .btn-secondary { display: none; }
  .section-head--split { flex-direction: column; align-items: flex-start; }
  .about-split { grid-template-columns: 1fr; }
  .mosaic-grid { grid-template-columns: repeat(2, 1fr); }
  .pattern-card--default, .pattern-card--wide, .pattern-card--tall { grid-column: span 1; }
  .pattern-archive-grid { grid-template-columns: 1fr 1fr; }
  .pattern-archive-card--wide { grid-column: span 1; }
  .pattern-image-panel-artistic { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-card { border-bottom: 1px solid var(--line); }
  .stat-card:last-child { border-bottom: 0; }
}