/* Interior Wall Art — main stylesheet
   Dark, bold, modern — inspired by codex.io's developer-tool aesthetic,
   adapted with a warm copper accent for an interior-decor content site. */

:root {
  --color-bg: #0b0a09;
  --color-bg-alt: #111010;
  --color-surface: #16140f;
  --color-surface-hover: #1c1a15;
  --color-ink: #f4efe8;
  --color-ink-soft: #a39a8d;
  --color-ink-faint: #6f665c;
  --color-border: rgba(244, 239, 232, 0.10);
  --color-border-strong: rgba(244, 239, 232, 0.18);
  --color-accent: #d97a3f;
  --color-accent-bright: #f2955c;
  --color-accent-dark: #b45e2b;
  --color-accent-soft: rgba(217, 122, 63, 0.14);
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --max-width: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }

a { color: var(--color-accent-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-body);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: rgba(11, 10, 9, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
  gap: 24px;
}

.logo {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-ink);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.logo span { color: var(--color-accent); }

.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--color-ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
}

.main-nav a:hover,
.main-nav a.active { color: var(--color-ink); text-decoration: none; }

.header-cta { display: flex; align-items: center; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border-strong);
  color: var(--color-ink);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 1rem;
  cursor: pointer;
}

@media (max-width: 780px) {
  .nav-toggle { display: inline-block; }
  .main-nav {
    display: none;
    width: 100%;
    order: 3;
  }
  .main-nav.open { display: flex; }
  .site-header .wrap { flex-wrap: wrap; }
  .main-nav ul {
    flex-direction: column;
    gap: 4px;
    padding: 16px 0 8px;
    width: 100%;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.94rem;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #16100a;
}
.btn-primary:hover { background: var(--color-accent-bright); text-decoration: none; }

.btn-outline {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-ink);
}
.btn-outline:hover { border-color: var(--color-ink-soft); background: var(--color-surface-hover); text-decoration: none; }

.btn-sm { padding: 9px 18px; font-size: 0.86rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 108px 0 88px;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: -220px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 560px;
  background:
    radial-gradient(closest-side, rgba(217, 122, 63, 0.30), transparent 70%),
    radial-gradient(closest-side at 30% 60%, rgba(178, 96, 220, 0.14), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
  z-index: 0;
}

.hero .wrap { position: relative; z-index: 1; max-width: 820px; }

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 28px;
}
.eyebrow-pill span.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); display: inline-block; }

.hero h1 {
  font-size: 3.4rem;
  line-height: 1.08;
  margin: 0 0 22px;
}

.hero h1 .accent-text {
  background: linear-gradient(100deg, var(--color-accent-bright), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lede {
  font-size: 1.2rem;
  color: var(--color-ink-soft);
  margin: 0 auto 36px;
  max-width: 52ch;
  font-weight: 400;
}

.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 640px) {
  .hero { padding: 76px 0 64px; }
  .hero h1 { font-size: 2.3rem; }
}

/* ---------- Topic pill strip (codex-style logo row, adapted) ---------- */
.topic-strip {
  border-bottom: 1px solid var(--color-border);
  padding: 28px 0;
}
.topic-strip .wrap {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
}
.topic-strip span.label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-ink-faint);
  font-weight: 700;
  margin-right: 6px;
}
.topic-pill {
  border: 1px solid var(--color-border);
  color: var(--color-ink-soft);
  font-size: 0.86rem;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--color-surface);
}

/* ---------- Sections ---------- */
section { padding: 88px 0; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 16px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: 2rem;
  margin: 0;
}

.section-head a { font-size: 0.92rem; font-weight: 600; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
  margin-bottom: 12px;
}

/* ---------- Feature icon cards ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
}

@media (max-width: 800px) {
  .feature-grid { grid-template-columns: 1fr; }
}

.feature-card {
  background: var(--color-surface);
  padding: 36px 32px;
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-accent-soft);
  color: var(--color-accent-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-icon svg { width: 20px; height: 20px; }

.feature-card h3 { font-size: 1.1rem; margin: 0 0 10px; }
.feature-card p { color: var(--color-ink-soft); font-size: 0.94rem; margin: 0; }

/* ---------- Cards / article grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

.card:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-hover);
  transform: translateY(-2px);
}

.card-thumb {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--thumb-a, #d97a3f), var(--thumb-b, #7e4a22));
  position: relative;
}
.card-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(11,10,9,0.25), transparent 60%);
}

.card-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }

.card-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 10px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.card h3 a { color: var(--color-ink); }

.card p { color: var(--color-ink-soft); font-size: 0.92rem; margin: 0 0 16px; flex: 1; }

.card .read-more { font-size: 0.88rem; font-weight: 600; color: var(--color-accent-bright); }

/* ---------- About / feature split ---------- */
.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 800px) { .split { grid-template-columns: 1fr; } }

.split h2 { font-size: 1.9rem; }
.split > div > p { color: var(--color-ink-soft); font-size: 1.02rem; }

.stat-row { display: flex; gap: 40px; margin-top: 28px; flex-wrap: wrap; }
.stat-row div strong { display: block; font-size: 2rem; font-weight: 800; color: var(--color-ink); letter-spacing: -0.02em; }
.stat-row div span { font-size: 0.84rem; color: var(--color-ink-faint); }

.panel-visual {
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  border: 1px solid var(--color-border-strong);
  background:
    radial-gradient(circle at 30% 20%, rgba(217, 122, 63, 0.35), transparent 55%),
    radial-gradient(circle at 75% 75%, rgba(178, 96, 220, 0.22), transparent 55%),
    var(--color-surface);
  position: relative;
  overflow: hidden;
}
.panel-visual::before,
.panel-visual::after {
  content: "";
  position: absolute;
  border-radius: 10px;
  border: 1px solid var(--color-border-strong);
  background: rgba(244, 239, 232, 0.03);
}
.panel-visual::before { width: 40%; height: 44%; top: 14%; left: 10%; }
.panel-visual::after { width: 30%; height: 30%; bottom: 12%; right: 12%; }

/* ---------- Newsletter / CTA band ---------- */
.cta-band {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: 20px;
  padding: 56px 44px;
  text-align: center;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  top: -140px;
  left: 50%;
  transform: translateX(-50%);
  width: 640px;
  height: 320px;
  background: radial-gradient(closest-side, rgba(217, 122, 63, 0.28), transparent 70%);
  pointer-events: none;
}

.cta-band h2 { margin: 0 0 12px; font-size: 1.9rem; position: relative; }
.cta-band p { color: var(--color-ink-soft); margin: 0 0 28px; position: relative; }
.cta-band .btn { position: relative; }

/* ---------- Ad slots ---------- */
.ad-slot {
  border: 1px dashed var(--color-border-strong);
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--color-ink-faint);
  text-align: center;
  padding: 20px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 40px 0;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  padding: 56px 0 30px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-grid h4 { font-size: 0.86rem; margin: 0 0 16px; color: var(--color-ink); text-transform: uppercase; letter-spacing: 0.06em; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: var(--color-ink-soft); font-size: 0.92rem; }
.footer-grid a:hover { color: var(--color-ink); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--color-ink-faint);
}

/* ---------- Article page ---------- */
.article-header {
  position: relative;
  padding: 72px 0 40px;
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}
.article-header::before {
  content: "";
  position: absolute;
  top: -160px;
  left: 12%;
  width: 500px;
  height: 340px;
  background: radial-gradient(closest-side, rgba(217, 122, 63, 0.22), transparent 70%);
  pointer-events: none;
}
.article-header .wrap { position: relative; }

.article-header h1 {
  font-size: 2.4rem;
  margin: 0 0 16px;
  max-width: 26ch;
  line-height: 1.15;
}
.article-meta { color: var(--color-ink-faint); font-size: 0.9rem; }

.article-body {
  max-width: 72ch;
  margin: 0 auto;
  padding: 52px 24px;
}

.article-body h2 {
  font-size: 1.5rem;
  margin: 44px 0 18px;
  letter-spacing: -0.01em;
}

.article-body h3 { font-size: 1.15rem; margin: 30px 0 14px; font-weight: 700; }
.article-body p { margin: 0 0 20px; color: var(--color-ink-soft); font-size: 1.02rem; }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 22px; color: var(--color-ink-soft); }
.article-body li { margin-bottom: 10px; }
.article-body strong { color: var(--color-ink); }
.article-body a { text-decoration: underline; text-underline-offset: 2px; }

.article-body blockquote {
  border-left: 3px solid var(--color-accent);
  margin: 28px 0;
  padding: 4px 0 4px 20px;
  font-style: italic;
  color: var(--color-ink-soft);
}

.affiliate-note {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 0.86rem;
  color: var(--color-ink-soft);
  margin: 0 0 32px;
}

.related-articles {
  border-top: 1px solid var(--color-border);
  padding: 64px 0;
}

/* ---------- Simple page (about / contact / privacy) ---------- */
.page-header {
  position: relative;
  padding: 72px 0 44px;
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute;
  top: -160px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 340px;
  background: radial-gradient(closest-side, rgba(217, 122, 63, 0.2), transparent 70%);
  pointer-events: none;
}
.page-header .wrap { position: relative; }
.page-header h1 { font-size: 2.3rem; margin: 0; }

.page-body {
  max-width: 72ch;
  margin: 0 auto;
  padding: 52px 24px;
}
.page-body h2 { font-size: 1.4rem; margin: 36px 0 16px; }
.page-body p { margin: 0 0 20px; color: var(--color-ink-soft); font-size: 1.02rem; }
.page-body ul { padding-left: 22px; margin: 0 0 20px; color: var(--color-ink-soft); }
.page-body a { text-decoration: underline; text-underline-offset: 2px; }

.contact-form {
  display: grid;
  gap: 18px;
  max-width: 520px;
}
.contact-form label { font-size: 0.86rem; font-weight: 600; display: block; margin-bottom: 8px; color: var(--color-ink); }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--color-surface);
  color: var(--color-ink);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.contact-form textarea { resize: vertical; min-height: 130px; }

.contact-info-list { list-style: none; padding: 0; margin: 28px 0 0; }
.contact-info-list li { margin-bottom: 10px; color: var(--color-ink-soft); }