:root {
  --cf-background: #080811;
  --cf-surface: #11101d;
  --cf-surface-raised: #181527;
  --cf-text: #f2f1ed;
  --cf-muted: #a09f99;
  --cf-faint: #71716c;
  --cf-accent: #e97b2d;
  --cf-accent-bright: #ff913f;
  --cf-accent-soft: #2c1912;
  --cf-border: #2a2737;
  --cf-max: 1180px;
  --cf-reading: 760px;
  --cf-radius: 4px;
  --cf-space-section: clamp(4.5rem, 9vw, 8rem);
  --cf-font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --cf-font-mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--cf-background); color: var(--cf-text); font-family: var(--cf-font-sans); font-size: 1rem; line-height: 1.65; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--cf-accent-bright); text-underline-offset: .18em; }
a:hover { color: var(--cf-text); }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
:focus-visible { outline: 2px solid var(--cf-accent-bright); outline-offset: 4px; }
::selection { background: var(--cf-accent); color: #080909; }
h1, h2, h3, h4 { margin: 0 0 .65em; line-height: 1.12; letter-spacing: -.025em; }
h1 { max-width: 15ch; font-size: clamp(2.65rem, 7vw, 6.1rem); font-weight: 680; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 650; }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
p { margin: 0 0 1.25em; }

.cf-container { width: min(calc(100% - 2.5rem), var(--cf-max)); margin-inline: auto; }
.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; }
.skip-link { position: fixed; z-index: 999; top: 1rem; left: 1rem; transform: translateY(-200%); background: var(--cf-text); color: var(--cf-background); padding: .65rem 1rem; }
.skip-link:focus { transform: none; }

.site-header { position: relative; z-index: 10; border-bottom: 1px solid var(--cf-border); background: rgba(8,9,9,.96); }
.site-header__inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.wordmark { display: inline-flex; align-items: center; gap: .75rem; color: var(--cf-text); font-family: var(--cf-font-mono); font-weight: 700; letter-spacing: .025em; text-decoration: none; }
.wordmark__logo { width: 36px; height: 36px; object-fit: contain; }
.wordmark__mark { display: grid; place-items: center; width: 38px; aspect-ratio: 1; border: 1px solid var(--cf-accent); color: var(--cf-accent-bright); font-family: var(--cf-font-mono); font-size: .78rem; letter-spacing: .04em; }
.custom-logo { max-height: 52px; width: auto; }
.menu { display: flex; align-items: center; gap: clamp(1rem, 3vw, 2.25rem); list-style: none; margin: 0; padding: 0; }
.menu a { color: var(--cf-muted); font-size: .88rem; font-weight: 600; text-decoration: none; }
.menu a:hover, .menu .current-menu-item > a, .menu .current_page_item > a { color: var(--cf-text); }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--cf-border); background: transparent; }
.nav-toggle span:not(.screen-reader-text) { display: block; height: 1px; margin: 5px 0; background: currentColor; }

.hero { position: relative; isolation: isolate; min-height: clamp(610px, 72vw, 780px); display: flex; align-items: center; padding: clamp(5rem, 10vw, 8rem) 0; border-bottom: 1px solid var(--cf-border); background: #06070b url('../images/copperfusion-workshop-hero.jpg') center / cover no-repeat; overflow: hidden; }
.hero::before { content: ''; position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(5,7,12,.96) 0%, rgba(5,7,12,.78) 37%, rgba(5,7,12,.26) 62%, rgba(5,7,12,.56) 100%), linear-gradient(0deg, rgba(8,8,17,.78), transparent 42%); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr); gap: clamp(3rem, 7vw, 7rem); align-items: center; }
.hero__content { max-width: 760px; }
.hero__title span { display: block; }
.eyebrow, .section-index, .panel-label, .entry-meta { color: var(--cf-accent-bright); font-family: var(--cf-font-mono); font-size: .73rem; letter-spacing: .09em; text-transform: uppercase; }
.hero__lede { max-width: 650px; color: var(--cf-muted); font-size: clamp(1.15rem, 2vw, 1.35rem); }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; margin-top: 2rem; }
.button { display: inline-block; border: 1px solid var(--cf-accent); background: var(--cf-accent); color: #0c0b0a; padding: .8rem 1.15rem; font-size: .85rem; font-weight: 750; text-decoration: none; }
.button:hover { border-color: var(--cf-accent-bright); background: var(--cf-accent-bright); color: #080909; }
.text-link { font-size: .86rem; font-weight: 700; text-decoration: underline; text-decoration-color: var(--cf-faint); }
.hero__panel { border-top: 1px solid var(--cf-accent); padding-top: 1rem; }
.hero__panel ul { list-style: none; margin: 0; padding: 0; }
.hero__panel li { display: flex; gap: 1rem; padding: .75rem 0; border-bottom: 1px solid var(--cf-border); color: var(--cf-muted); }
.hero__panel li span { color: var(--cf-faint); font-family: var(--cf-font-mono); font-size: .76rem; }
.hero__visual { display: grid; place-items: center; align-self: center; }
.hero__visual img { width: min(36vw, 440px); height: auto; filter: drop-shadow(0 0 30px rgba(255,255,255,.12)); transform: perspective(700px) translate3d(var(--cf-logo-x, 0), var(--cf-logo-y, 0), 0) rotateX(var(--cf-logo-rotate-x, 0)) rotateY(var(--cf-logo-rotate-y, 0)); transition: transform .35s ease-out; }

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .hero__visual img { will-change: transform; }
}

.section { padding-block: var(--cf-space-section); }
.section--surface { background: var(--cf-surface); }
.section--bordered { border-block: 1px solid var(--cf-border); }
.intro-section { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; }
.intro-section > div { max-width: 760px; }
.intro-section p:not(.section-index) { color: var(--cf-muted); font-size: 1.16rem; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: clamp(2rem, 5vw, 4rem); }
.section-heading h2 { margin-bottom: 0; }
.section-index { margin-bottom: 1rem; }

.project-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; background: var(--cf-border); border: 1px solid var(--cf-border); }
.project-card { min-width: 0; background: var(--cf-background); }
.section--surface .project-card { background: var(--cf-surface); }
.project-card__image { display: block; aspect-ratio: 4/3; overflow: hidden; background: #0e1010; color: var(--cf-faint); text-decoration: none; }
.project-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform .25s ease, opacity .25s ease; }
.project-card:hover .project-card__image img { transform: scale(1.018); opacity: .9; }
.project-card__placeholder { height: 100%; display: grid; place-items: center; font-family: var(--cf-font-mono); font-size: .72rem; letter-spacing: .12em; background-image: linear-gradient(var(--cf-border) 1px, transparent 1px), linear-gradient(90deg, var(--cf-border) 1px, transparent 1px); background-size: 32px 32px; }
.project-card__body { padding: 1.45rem; }
.project-card__meta { min-height: 1.2rem; display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; color: var(--cf-faint); font-family: var(--cf-font-mono); font-size: .7rem; letter-spacing: .07em; text-transform: uppercase; }
.project-card__meta span { color: var(--cf-accent-bright); }
.project-card h2, .project-card h3 { margin-bottom: .6rem; font-size: clamp(1.25rem, 2vw, 1.6rem); }
.project-card h2 a, .project-card h3 a { color: var(--cf-text); text-decoration: none; }
.project-card p { color: var(--cf-muted); font-size: .9rem; }
.project-card__category { margin: 1.25rem 0 0 !important; color: var(--cf-faint) !important; font-family: var(--cf-font-mono); font-size: .68rem !important; text-transform: uppercase; }
.area-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--cf-border); }
.area-card { min-height: 200px; padding: 1.6rem; border-right: 1px solid var(--cf-border); border-bottom: 1px solid var(--cf-border); color: var(--cf-text); text-decoration: none; }
.area-card:nth-child(3n) { border-right: 0; }
.area-card span { color: var(--cf-accent); font-family: var(--cf-font-mono); }
.area-card h3 { margin-top: 2.2rem; }
.area-card p { color: var(--cf-muted); font-size: .9rem; }
.area-card:not(.area-card--placeholder):hover { background: var(--cf-surface); }
.area-card--placeholder { opacity: .75; }

.content-area { padding-block: clamp(3rem, 8vw, 7rem); }
.archive-header { max-width: 800px; margin-bottom: 3.5rem; }
.archive-header h1, .entry-header h1, .project-header h1 { font-size: clamp(2.5rem, 6vw, 5.2rem); }
.archive-description, .archive-header > p { color: var(--cf-muted); font-size: 1.15rem; }
.breadcrumbs { margin-bottom: 2.5rem; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; padding: 0; color: var(--cf-faint); font-family: var(--cf-font-mono); font-size: .7rem; text-transform: uppercase; }
.breadcrumbs li:not(:last-child)::after { content: '/'; margin-left: .5rem; }
.breadcrumbs a { color: var(--cf-muted); }
.filter-links { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2.5rem; }
.filter-links a, .tag-list a { border: 1px solid var(--cf-border); color: var(--cf-muted); padding: .45rem .7rem; font-family: var(--cf-font-mono); font-size: .7rem; text-decoration: none; text-transform: uppercase; }
.filter-links a:hover, .filter-links a[aria-current], .tag-list a:hover { border-color: var(--cf-accent); color: var(--cf-text); }
.post-list { border-top: 1px solid var(--cf-border); }
.post-row { display: flex; justify-content: space-between; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--cf-border); }
.post-row h2 { font-size: clamp(1.45rem, 3vw, 2.15rem); }
.post-row h2 a { color: var(--cf-text); text-decoration: none; }
.post-row p { max-width: 760px; color: var(--cf-muted); }
.post-row__arrow { flex: 0 0 auto; color: var(--cf-accent); font-size: 1.25rem; text-decoration: none; }
.entry { max-width: var(--cf-reading); margin-inline: auto; }
.entry-header { margin-bottom: 2.5rem; }
.entry-hero { width: min(100vw - 2.5rem, var(--cf-max)); margin: 0 50% 3rem; transform: translateX(-50%); }
.entry-content { font-size: 1.06rem; }
.entry-content > * { max-width: var(--cf-reading); }
.entry-content > .alignwide { width: min(100vw - 2.5rem, var(--cf-max)); max-width: var(--cf-max); margin-left: 50%; transform: translateX(-50%); }
.entry-content > .alignfull { width: 100vw; max-width: none; margin-left: 50%; transform: translateX(-50%); }
.entry-content h2, .entry-content h3 { margin-top: 2em; }
.entry-content p, .entry-content li { color: #d1d0cb; }
.entry-content pre, .entry-content code { font-family: var(--cf-font-mono); }
.entry-content pre { overflow-x: auto; padding: 1.25rem; border: 1px solid var(--cf-border); background: #0c0d0d; font-size: .85rem; }
.entry-content blockquote { margin: 2rem 0; padding-left: 1.25rem; border-left: 2px solid var(--cf-accent); color: var(--cf-muted); }

.project-header { padding-top: clamp(3rem, 7vw, 6rem); }
.project-header__grid { display: grid; grid-template-columns: 3fr 1fr; gap: 3rem; align-items: end; padding-bottom: 3.5rem; }
.project-kicker { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; color: var(--cf-faint); font-family: var(--cf-font-mono); font-size: .72rem; text-transform: uppercase; }
.status-badge { border: 1px solid var(--cf-accent); color: var(--cf-accent-bright); padding: .25rem .45rem; }
.project-summary { max-width: 700px; color: var(--cf-muted); font-size: 1.2rem; }
.project-taxonomy { list-style: none; padding: 0; }
.project-taxonomy a { color: var(--cf-muted); font-family: var(--cf-font-mono); font-size: .72rem; text-transform: uppercase; }
.project-hero { margin-bottom: clamp(3rem, 7vw, 6rem); }
.project-hero img { width: 100%; max-height: 760px; object-fit: cover; }
.project-body { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(220px, .8fr); gap: clamp(3rem, 9vw, 8rem); align-items: start; }
.project-sidebar { position: sticky; top: 2rem; border-top: 1px solid var(--cf-accent); padding-top: 1.1rem; }
.project-sidebar h2 { margin-top: 1.75rem; font-family: var(--cf-font-mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; }
.project-sidebar ul { list-style: none; margin: 0; padding: 0; }
.project-sidebar li { border-bottom: 1px solid var(--cf-border); }
.project-sidebar li a { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 0; color: var(--cf-muted); font-size: .83rem; text-decoration: none; }
.project-gallery { padding-block: var(--cf-space-section); }
.project-gallery > h2 { font-size: 2rem; }
.gallery-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.gallery-grid figure { margin: 0; background: var(--cf-surface); }
.gallery-grid figcaption { padding: .7rem; color: var(--cf-muted); font-size: .78rem; }
.project-navigation { padding-block: 3rem; border-top: 1px solid var(--cf-border); }
.project-navigation .nav-links { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.project-navigation a { color: var(--cf-text); text-decoration: none; }
.project-navigation span span { display: block; color: var(--cf-faint); font-family: var(--cf-font-mono); font-size: .7rem; text-transform: uppercase; }
.nav-next { text-align: right; }
.empty-state { padding: 3rem; border: 1px dashed var(--cf-border); color: var(--cf-muted); }
.search-form { max-width: 580px; }
.search-form label { display: block; margin-bottom: .45rem; color: var(--cf-muted); font-size: .82rem; }
.search-form > div { display: flex; }
.search-field { min-width: 0; flex: 1; border: 1px solid var(--cf-border); border-right: 0; background: var(--cf-surface); color: var(--cf-text); padding: .7rem .85rem; }
.search-form button { border: 1px solid var(--cf-accent); background: var(--cf-accent); color: #080811; padding: .7rem 1rem; font-weight: 700; }
.comments-area { max-width: var(--cf-reading); margin: 4rem auto 0; padding-top: 3rem; border-top: 1px solid var(--cf-border); }
.comment-list { padding-left: 1.25rem; }
.comment-list li { margin-block: 1.5rem; }
.comment-meta { color: var(--cf-muted); font-size: .8rem; }
.comment-form input, .comment-form textarea { width: 100%; border: 1px solid var(--cf-border); background: var(--cf-surface); color: var(--cf-text); padding: .7rem; }
.comment-form input[type="submit"] { width: auto; border-color: var(--cf-accent); background: var(--cf-accent); color: #080811; font-weight: 700; cursor: pointer; }
.error-page { min-height: 65vh; padding-block: clamp(6rem, 14vw, 12rem); }
.pagination .nav-links { display: flex; gap: .5rem; margin-top: 3rem; }
.page-numbers { min-width: 40px; padding: .5rem; border: 1px solid var(--cf-border); text-align: center; text-decoration: none; }
.page-numbers.current { border-color: var(--cf-accent); color: var(--cf-text); }

.site-footer { padding-top: 4rem; border-top: 1px solid var(--cf-border); background: #060707; }
.site-footer__grid { display: grid; grid-template-columns: 2fr 1fr; gap: 3rem; }
.wordmark--footer { margin-bottom: 1rem; font-size: 1.25rem; }
.site-footer p { max-width: 500px; color: var(--cf-muted); font-size: .88rem; }
.site-footer .menu { justify-content: flex-end; flex-wrap: wrap; }
.site-footer__meta { margin-top: 3rem; padding-block: 1.25rem; border-top: 1px solid var(--cf-border); }
.site-footer__meta p { margin: 0; font-family: var(--cf-font-mono); font-size: .67rem; text-transform: uppercase; }

@media (max-width: 900px) {
  .hero__grid, .project-header__grid, .project-body { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .area-grid { grid-template-columns: repeat(2, 1fr); }
  .area-card:nth-child(3n) { border-right: 1px solid var(--cf-border); }
  .area-card:nth-child(2n) { border-right: 0; }
  .project-sidebar { position: static; }
  .hero__visual { display: none; }
}

@media (max-width: 800px) {
  .site-header__inner { min-height: 66px; }
  .nav-toggle { display: block; }
  .primary-nav { position: absolute; top: 100%; left: 0; right: 0; display: none; padding: 1rem 1.25rem 1.5rem; border-bottom: 1px solid var(--cf-border); background: var(--cf-background); }
  .primary-nav.is-open { display: block; }
  .primary-nav .menu { display: block; }
  .primary-nav .menu a { display: block; padding: .8rem 0; border-bottom: 1px solid var(--cf-border); }
  .intro-section { grid-template-columns: 1fr; gap: 1rem; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer .menu { justify-content: flex-start; }
}

@media (max-width: 620px) {
  .cf-container { width: min(calc(100% - 1.5rem), var(--cf-max)); }
  h1 { font-size: clamp(2.4rem, 13vw, 3.8rem); }
  .hero { min-height: 620px; padding-top: 4rem; background-image: url('../images/copperfusion-workshop-hero-mobile.jpg'); background-position: 48% center; }
  .hero::before { background: linear-gradient(90deg, rgba(5,7,12,.94), rgba(5,7,12,.66)), linear-gradient(0deg, rgba(8,8,17,.88), transparent 55%); }
  .project-grid, .area-grid, .gallery-grid { grid-template-columns: 1fr; }
  .area-card, .area-card:nth-child(2n), .area-card:nth-child(3n) { border-right: 0; }
  .section-heading { align-items: start; flex-direction: column; }
  .project-header__grid { gap: 1rem; }
  .project-navigation .nav-links { grid-template-columns: 1fr; }
  .nav-next { text-align: left; }
  .entry-hero { width: calc(100vw - 1.5rem); }
  .post-row { gap: 1rem; }
  .search-form > div { display: block; }
  .search-field { width: 100%; border-right: 1px solid var(--cf-border); }
  .search-form button { width: 100%; margin-top: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}