/* ============================================================
   THE SLAT JOURNAL — design tokens
   Matched to primopanels.com: white/black minimalist storefront,
   wood-tone accents pulled directly from their three finishes
   (Walnut, Dark Walnut, White Oak). Uppercase tracked headings,
   square-ish corners, generous whitespace, photography-led.
   ============================================================ */

:root {
  --ink: #171512;          /* near-black text, matches storefront nav/text */
  --paper: #FAFAF8;        /* near-white background */
  --paper-2: #F1ECE3;      /* light card / section surface */
  --walnut: #6E4A34;       /* Walnut finish */
  --walnut-dark: #3A271C;  /* Dark Walnut finish — primary accent/CTA */
  --oak: #C9AE86;          /* White Oak finish — secondary accent */
  --line: #E6E0D4;
  --white: #FFFFFF;

  --font-display: 'Poppins', 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius: 2px;
  --wrap: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

:focus-visible {
  outline: 2px solid var(--walnut-dark);
  outline-offset: 3px;
}

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

/* ---------- Signature: the slat rail ----------
   A quiet nod to the product itself — two-tone wood slats along the
   left edge, echoing the walnut/white-oak finishes. Kept thin and
   restrained to match the storefront's minimal, whitespace-led feel. */
.slats {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 8px;
  z-index: 40;
  background: repeating-linear-gradient(
    to bottom,
    var(--walnut-dark) 0px, var(--walnut-dark) 20px,
    var(--oak) 20px, var(--oak) 24px,
    transparent 24px, transparent 40px
  );
}
@media (max-width: 900px) {
  .slats { display: none; }
}
body { padding-left: 8px; }
@media (max-width: 900px) {
  body { padding-left: 0; }
}

/* Slat-bar divider used between major sections */
.slat-divider {
  height: 8px;
  background: repeating-linear-gradient(
    to right,
    var(--line) 0px, var(--line) 3px,
    transparent 3px, transparent 12px
  );
  margin: 40px 0;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--white);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 30;
}
.site-header__row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 28px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}
.brand__mark {
  width: 26px;
  height: 26px;
  flex: none;
  background: repeating-linear-gradient(
    to right,
    var(--walnut-dark) 0, var(--walnut-dark) 4px,
    var(--oak) 4px, var(--oak) 6px,
    transparent 6px, transparent 10px
  );
}
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.brand__tag {
  font-family: var(--font-body);
  font-size: 11.5px;
  color: var(--walnut);
  opacity: 0.85;
  letter-spacing: 0.02em;
}
.main-nav ul {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.main-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  opacity: 0.8;
  border-bottom: 2px solid transparent;
  padding-bottom: 3px;
  transition: opacity .15s, border-color .15s;
}
.main-nav a:hover { opacity: 1; border-color: var(--walnut-dark); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.search-form input {
  background: var(--paper-2);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 9px 12px;
  font-family: var(--font-body);
  font-size: 14px;
  width: 170px;
}
.search-form input::placeholder { color: #8A8175; }

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 22px;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: background .15s, transform .1s;
}
.btn--cta {
  background: var(--walnut-dark);
  color: var(--white);
}
.btn--cta:hover { background: var(--ink); }
.btn--cta:active { transform: translateY(1px); }

/* ---------- Hero / featured card ---------- */
.hero-strip { padding-top: 40px; }
.card--featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 44px;
  align-items: center;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}
.card--featured .card__title { font-size: 32px; line-height: 1.2; text-transform: none; }
.card--featured .card__excerpt { font-size: 16.5px; }
.card--featured .card__media {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-2);
}
.card--featured .card__media img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 800px) {
  .card--featured { grid-template-columns: 1fr; }
  .card--featured .card__title { font-size: 26px; }
}

/* ---------- Section titles ---------- */
.section-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--walnut-dark);
  margin: 56px 0 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

/* ---------- Card grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (max-width: 900px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .card-grid { grid-template-columns: 1fr; } }

.card { display: flex; flex-direction: column; }
.card__media {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-2);
  margin-bottom: 14px;
}
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.card__media:hover img { transform: scale(1.03); }
.card__media-fallback {
  display: block;
  width: 100%; height: 100%;
  background: repeating-linear-gradient(
    100deg,
    var(--paper-2) 0px, var(--paper-2) 14px,
    var(--line) 14px, var(--line) 16px
  );
}
.card__eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--walnut);
  font-weight: 600;
}
.card__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
  margin: 8px 0 8px;
  text-transform: none;
}
.card__title a:hover { color: var(--walnut-dark); }
.card__excerpt {
  font-size: 14.5px;
  color: var(--ink);
  opacity: 0.75;
  margin: 0 0 12px;
}
.card__meta {
  font-family: var(--font-body);
  font-size: 12px;
  color: #8A8175;
  display: flex;
  gap: 8px;
  margin-top: auto;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 48px 0 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.pagination a { color: var(--walnut-dark); }

/* ---------- Article page ---------- */
.article { max-width: 760px; padding-top: 36px; padding-bottom: 60px; }
.breadcrumbs {
  font-family: var(--font-body);
  font-size: 12px;
  color: #8A8175;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}
.breadcrumbs span { margin: 0 4px; }
.article__header h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 34px;
  line-height: 1.25;
  margin: 10px 0 14px;
  text-transform: none;
}
.article__meta {
  font-family: var(--font-body);
  font-size: 12.5px;
  color: #8A8175;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
}
.article__hero-image {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 32px;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.article__body { font-size: 17px; line-height: 1.8; }
.article__body h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 44px 0 16px;
}
.article__body h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  margin: 34px 0 12px;
}
.article__body p { margin: 0 0 20px; }
.article__body ul, .article__body ol { margin: 0 0 20px; padding-left: 22px; }
.article__body li { margin-bottom: 8px; }
.article__body a { color: var(--walnut-dark); text-decoration: underline; text-underline-offset: 2px; }
.article__body img { border-radius: var(--radius); margin: 24px 0; }
.article__body blockquote {
  margin: 28px 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--walnut-dark);
  font-style: italic;
  font-size: 18px;
  color: var(--ink);
}
.article__body code {
  font-family: ui-monospace, monospace;
  background: var(--paper-2);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
}

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  background: var(--paper-2);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 26px 28px;
  margin: 44px 0;
}
.cta-box strong {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.cta-box p { margin: 4px 0 0; opacity: 0.75; font-size: 14px; }

.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.tag-list a {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--walnut);
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 5px 10px;
  border-radius: 20px;
}
.tag-list a:hover { background: var(--line); }

/* ---------- Archive / search headers ---------- */
.archive-header { padding: 36px 0 8px; }
.archive-header h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 8px 0 4px;
}
.archive-header p {
  font-family: var(--font-body);
  font-size: 13px;
  color: #8A8175;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.search-form--page { display: flex; gap: 10px; margin-top: 18px; max-width: 420px; }
.search-form--page input {
  flex: 1;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  background: var(--white);
}

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: 80px 20px;
}
.empty-state h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 26px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.empty-state code {
  font-family: ui-monospace, monospace;
  background: var(--paper-2);
  padding: 2px 6px;
  border-radius: 3px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: #D8D0C4;
  margin-top: 80px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding: 56px 28px 32px;
}
.footer__brand p { opacity: 0.7; font-size: 14px; margin: 12px 0 20px; max-width: 320px; }
.footer__col h3 {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--oak);
  margin: 0 0 16px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col a { font-size: 14px; opacity: 0.85; }
.footer__col a:hover { opacity: 1; color: var(--oak); }
.footer__bottom {
  border-top: 1px solid rgba(216,208,196,0.15);
  padding: 20px 28px;
  font-family: var(--font-body);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  opacity: 0.6;
}
@media (max-width: 700px) {
  .footer__grid { grid-template-columns: 1fr; }
}