/* ============================================================
   IRONFOLIO — Main Stylesheet
   Visual DNA: Villa Agency (TemplateMo 591)
   Adapted for: SlashSEO editorial portal (Polish)
   Theme name: IronFolio
   ============================================================ */

/* ---- CSS VARIABLES ---------------------------------------- */
:root {
  --color-accent:       #e87520;
  --color-accent-dark:  #c45e0a;
  --color-dark:         #1a2b3c;
  --color-dark-2:       #243447;
  --color-white:        #ffffff;
  --color-off-white:    #f5f4f0;
  --color-body:         #2c2c2c;
  --color-muted:        #717171;
  --color-border:       #e0ddd8;
  --color-border-dark:  #2e3f52;

  --font-base: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

  --fw-light:   300;
  --fw-regular: 400;
  --fw-medium:  500;
  --fw-semi:    600;
  --fw-bold:    700;

  --container-width: 1200px;
  --container-pad:   1.5rem;

  --section-pad-y:   5rem;
  --section-pad-sm:  3rem;
}

/* ---- RESET & BASE ----------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-base);
  color: var(--color-body);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; }

/* ---- CONTAINER -------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ---- TYPOGRAPHY UTILITIES --------------------------------- */
.pipe {
  color: var(--color-accent);
  font-weight: var(--fw-bold);
  margin-right: 0.3em;
}

.section-label {
  display: block;
  font-size: 0.78rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}

.section-label .pipe { color: var(--color-accent); }

.section-heading h6.section-label { margin-bottom: 0.5rem; }

.section-heading h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-lead {
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 420px;
}

/* ---- BUTTONS ---------------------------------------------- */
.btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.82rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border-radius: 4px;
  transition: background 0.2s ease, transform 0.15s ease;
  cursor: pointer;
  border: none;
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.75rem 1.75rem;
  border: 2px solid var(--color-accent);
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-icon-link {
  font-size: 0.85rem;
  font-weight: var(--fw-semi);
  color: var(--color-accent);
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap 0.2s;
}

.btn-icon-link:hover { gap: 0.6rem; }
.btn-icon-link .arrow { font-size: 1rem; }

/* ---- SUB-HEADER ------------------------------------------- */
.sub-header {
  background: var(--color-dark);
  padding: 0.55rem 0;
  border-bottom: 2px solid var(--color-accent);
}

.sub-header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.sub-header__brand a {
  font-weight: var(--fw-bold);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
}

.sub-header__tagline {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  font-style: italic;
  flex: 1;
}

.sub-header__contact a {
  font-size: 0.78rem;
  color: var(--color-accent);
  transition: color 0.2s;
}

.sub-header__contact a:hover { color: var(--color-white); }

/* ---- SITE HEADER ------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo__text {
  font-size: 1.35rem;
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

.nav-logo__text::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-left: 3px;
  vertical-align: middle;
  margin-bottom: 3px;
}

.nav-logo__img { max-height: 44px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-links li a {
  display: block;
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  font-weight: var(--fw-medium);
  color: var(--color-body);
  letter-spacing: 0.03em;
  position: relative;
  transition: color 0.2s;
}

.nav-links li a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 1.1rem;
  right: 1.1rem;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.nav-links li a:hover { color: var(--color-accent); }
.nav-links li a:hover::after { transform: scaleX(1); }

/* hamburger */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
}

.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  transition: transform 0.25s ease, opacity 0.2s;
}

.nav-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- SECTION UTILITIES ------------------------------------ */
.section { padding: var(--section-pad-y) 0; }
.section-alt { padding: var(--section-pad-y) 0; background: var(--color-off-white); }

/* ---- HERO ------------------------------------------------- */
.hero-section {
  background: var(--color-dark);
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 59px,
    rgba(255,255,255,0.025) 59px,
    rgba(255,255,255,0.025) 60px
  );
  pointer-events: none;
}

.hero-section .section-label { color: rgba(255,255,255,0.5); }

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  align-items: start;
}

.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  color: rgba(255,255,255,0.72);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 560px;
}

.hero-subtitle p { margin-bottom: 0.5rem; }

/* Hero aside info table — like Villa's info-table sidebar */
.hero-meta-table {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-top: 3px solid var(--color-accent);
  border-radius: 4px;
  overflow: hidden;
}

.hero-meta-table__header {
  padding: 0.9rem 1.25rem;
  background: rgba(255,255,255,0.05);
  font-size: 0.75rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.hero-meta-table__list { padding: 0.5rem 0; }

.hero-meta-table__list li {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  gap: 0.75rem;
}

.hero-meta-table__list li:last-child { border-bottom: none; }

.hmt-name {
  font-size: 0.88rem;
  font-weight: var(--fw-medium);
  color: rgba(255,255,255,0.85);
}

/* ---- TOPICS SECTION --------------------------------------- */
.topics-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 4rem;
  align-items: start;
}

.topics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.topic-card {
  background: var(--color-white);
  padding: 1.75rem;
  position: relative;
  transition: box-shadow 0.2s;
}

.topic-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.08); z-index: 1; }

.topic-card__index {
  font-size: 2.5rem;
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  opacity: 0.18;
  line-height: 1;
  margin-bottom: 0.5rem;
  font-variant-numeric: tabular-nums;
}

.topic-card__name {
  font-size: 1rem;
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.topic-card__desc {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.topic-card__desc p { margin: 0; }

/* ---- DARK BAND -------------------------------------------- */
.dark-band {
  background: var(--color-dark);
  padding: 2.5rem 0;
  border-top: 3px solid var(--color-accent);
  border-bottom: 3px solid var(--color-accent);
}

.dark-band__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.dark-band__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.25rem 1rem;
  border-right: 1px solid var(--color-border-dark);
}

.dark-band__item:last-child { border-right: none; }

.dark-band__label {
  font-size: 0.72rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 0.35rem;
}

.dark-band__value {
  font-size: 1.05rem;
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

/* ---- POSTS SECTION ---------------------------------------- */
.section-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.posts-grid,
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* Like Villa's property cards — structured data cards */
.post-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid transparent;
  display: flex;
  flex-direction: column;
  transition: border-top-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.post-card:hover {
  border-top-color: var(--color-accent);
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  transform: translateY(-3px);
}

.post-card__cover-link { display: block; overflow: hidden; }

.post-card__cover {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.post-card:hover .post-card__cover { transform: scale(1.04); }

.post-card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-card__date {
  display: block;
  font-size: 0.75rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

.post-card__title {
  font-size: 1.05rem;
  font-weight: var(--fw-bold);
  line-height: 1.35;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
}

.post-card__title a:hover { color: var(--color-accent); }

.post-card__excerpt {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 1.25rem;
}

.post-card__excerpt p { margin: 0; }

.post-card__footer {
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
  margin-top: auto;
}

/* ---- FAQ SECTION ------------------------------------------ */
.faq-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  align-items: start;
}

.accordion { display: flex; flex-direction: column; gap: 0; }

.accordion-item {
  border: 1px solid var(--color-border);
  border-bottom: none;
  background: var(--color-white);
}

.accordion-item:first-child { border-radius: 4px 4px 0 0; }
.accordion-item:last-child { border-bottom: 1px solid var(--color-border); border-radius: 0 0 4px 4px; }

.accordion-item--open .accordion-trigger { color: var(--color-accent); }

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  padding: 1.25rem 1.5rem;
  font-size: 0.95rem;
  font-weight: var(--fw-semi);
  color: var(--color-dark);
  background: none;
  border: none;
  cursor: pointer;
  gap: 1rem;
  transition: color 0.2s, background 0.2s;
}

.accordion-trigger:hover { background: var(--color-off-white); color: var(--color-accent); }

.accordion-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-radius: 50%;
  position: relative;
  transition: transform 0.25s, background 0.2s;
}

.accordion-icon::before,
.accordion-icon::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  background: currentColor;
}

.accordion-icon::before {
  width: 8px; height: 2px;
  transform: translate(-50%, -50%);
}

.accordion-icon::after {
  width: 2px; height: 8px;
  transform: translate(-50%, -50%);
  transition: transform 0.25s, opacity 0.2s;
}

.accordion-item--open .accordion-icon::after { opacity: 0; }
.accordion-item--open .accordion-trigger { background: var(--color-off-white); }

.accordion-body { overflow: hidden; }
.accordion-body[hidden] { display: none; }

.accordion-body__inner {
  padding: 0 1.5rem 1.5rem;
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.75;
}

.accordion-body__inner p { margin-bottom: 0.75rem; }
.accordion-body__inner p:last-child { margin-bottom: 0; }

/* ---- PAGE BANNER ------------------------------------------ */
.page-banner {
  background: var(--color-dark);
  padding: 3.5rem 0 3rem;
  border-bottom: 3px solid var(--color-accent);
}

.page-banner .section-label { color: rgba(255,255,255,0.5); }

.page-banner__title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  line-height: 1.2;
  max-width: 720px;
}

.page-banner--post .page-banner__title { max-width: 860px; }

.post-meta-bar {
  margin-top: 1rem;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.post-meta-bar__date {
  font-size: 0.8rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.post-lead {
  margin-top: 1.25rem;
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  max-width: 680px;
}

.post-lead p { margin: 0; }

/* ---- POST COVER ------------------------------------------- */
.post-cover-section { padding: 2.5rem 0; background: var(--color-off-white); }

.post-cover-wrap {
  max-width: 860px;
  margin-inline: auto;
  border: 1px solid var(--color-border);
}

.post-cover-img { width: 100%; height: auto; display: block; }

/* ---- PAGE / POST CONTENT LAYOUT --------------------------- */
.page-content-layout,
.post-content-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3.5rem;
  align-items: start;
}

/* PROSE — article body */
.prose {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-body);
}

.prose h1, .prose h2, .prose h3, .prose h4, .prose h5 {
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.prose h2 { font-size: 1.5rem; border-left: 3px solid var(--color-accent); padding-left: 0.75rem; }
.prose h3 { font-size: 1.25rem; }
.prose h4 { font-size: 1.05rem; }

.prose p { margin-bottom: 1.25rem; }

.prose ul, .prose ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }

.prose li { margin-bottom: 0.4rem; }

.prose strong { font-weight: var(--fw-bold); color: var(--color-dark); }
.prose em { font-style: italic; }

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose a:hover { color: var(--color-accent-dark); }

.prose blockquote {
  border-left: 4px solid var(--color-accent);
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  background: var(--color-off-white);
  font-style: italic;
  color: var(--color-muted);
}

.prose code {
  background: var(--color-off-white);
  border: 1px solid var(--color-border);
  padding: 0.15em 0.45em;
  border-radius: 3px;
  font-size: 0.9em;
  font-family: "Consolas", "Courier New", monospace;
}

.prose pre {
  background: var(--color-dark);
  color: rgba(255,255,255,0.9);
  padding: 1.25rem 1.5rem;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.prose pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: 0.88rem;
}

.prose img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  margin: 1.5rem 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.prose th, .prose td {
  padding: 0.65rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.prose th {
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  background: var(--color-off-white);
}

.post-content-footer { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }

/* ---- SIDEBAR ---------------------------------------------- */
/* Like Villa's info-table — bordered list with metadata */
.sidebar-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.sidebar-card--dark { background: var(--color-dark); border-color: var(--color-dark); border-top-color: var(--color-accent); }
.sidebar-card--highlight { border-top-color: var(--color-accent); }

.sidebar-card__heading {
  font-size: 0.75rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding: 1rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-card--dark .sidebar-card__heading {
  color: rgba(255,255,255,0.5);
  border-bottom-color: var(--color-border-dark);
}

/* Villa-style info table inside sidebar */
.sidebar-info-table { padding: 0.5rem 0; }

.sidebar-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  gap: 0.5rem;
}

.sidebar-info-row:last-child { border-bottom: none; }

.sidebar-info-label {
  font-size: 0.8rem;
  color: var(--color-muted);
  font-weight: var(--fw-medium);
  flex-shrink: 0;
}

.sidebar-info-value {
  font-size: 0.85rem;
  font-weight: var(--fw-semi);
  color: var(--color-dark);
  text-align: right;
}

a.sidebar-info-value { color: var(--color-accent); }
a.sidebar-info-value:hover { text-decoration: underline; }

.sidebar-nav-list { padding: 0.5rem 0; }

.sidebar-nav-list li a {
  display: block;
  padding: 0.65rem 1.25rem;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75);
  border-bottom: 1px solid var(--color-border-dark);
  transition: color 0.2s, padding-left 0.2s;
}

.sidebar-nav-list li:last-child a { border-bottom: none; }
.sidebar-nav-list li a:hover { color: var(--color-accent); padding-left: 1.6rem; }

.sidebar-email-link {
  display: block;
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  color: var(--color-accent);
  word-break: break-all;
}

.sidebar-email-link:hover { text-decoration: underline; }

/* ---- PAGINATION ------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 3.5rem;
  flex-wrap: wrap;
}

.pagination__btn {
  font-size: 0.82rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  padding: 0.6rem 1.25rem;
  border: 2px solid var(--color-accent);
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}

.pagination__btn:hover { background: var(--color-accent); color: var(--color-white); }

.pagination__pages { display: flex; gap: 4px; }

.pagination__page {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  font-size: 0.85rem;
  font-weight: var(--fw-medium);
  color: var(--color-body);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.pagination__page:hover { border-color: var(--color-accent); color: var(--color-accent); }

.pagination__page--active {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  font-weight: var(--fw-bold);
}

/* ---- FOOTER ----------------------------------------------- */
.site-footer {
  background: var(--color-dark);
  padding: 4rem 0 0;
  border-top: 3px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-border-dark);
}

.footer-brand__name {
  font-size: 1.4rem;
  font-weight: var(--fw-bold);
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.footer-brand__tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  font-style: italic;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.footer-brand__email {
  font-size: 0.85rem;
  color: var(--color-accent);
  transition: color 0.2s;
}

.footer-brand__email:hover { color: var(--color-white); }

.footer-nav__heading,
.footer-info__heading {
  font-size: 0.72rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--color-border-dark);
}

.footer-nav ul { display: flex; flex-direction: column; gap: 0; }

.footer-nav ul li a {
  display: block;
  padding: 0.5rem 0;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  border-bottom: 1px solid var(--color-border-dark);
  transition: color 0.2s, padding-left 0.2s;
}

.footer-nav ul li:last-child a { border-bottom: none; }
.footer-nav ul li a:hover { color: var(--color-accent); padding-left: 0.4rem; }

.footer-info p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.75;
}

.footer-bar {
  padding: 1.25rem 0;
}

.footer-bar p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* ---- RESPONSIVE ------------------------------------------- */

/* Tablet: 768px */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-aside { display: none; }

  .topics-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .topics-grid { grid-template-columns: 1fr 1fr; }

  .posts-grid, .blog-grid { grid-template-columns: 1fr 1fr; }

  .faq-layout { grid-template-columns: 1fr; gap: 2.5rem; }

  .page-content-layout,
  .post-content-layout { grid-template-columns: 1fr; gap: 2.5rem; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-info { grid-column: 1 / -1; }

  .dark-band__inner { grid-template-columns: repeat(2, 1fr); }
  .dark-band__item:nth-child(2) { border-right: none; }
  .dark-band__item:nth-child(3) { border-top: 1px solid var(--color-border-dark); border-right: 1px solid var(--color-border-dark); }
  .dark-band__item:nth-child(4) { border-top: 1px solid var(--color-border-dark); border-right: none; }
}

/* Mobile: 767px */
@media (max-width: 767px) {
  :root {
    --section-pad-y: 3rem;
    --container-pad: 1rem;
  }

  /* Mobile nav */
  .nav-burger { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--color-white);
    border-top: 2px solid var(--color-accent);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    gap: 0;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  }

  .nav-links.is-open { display: flex; }

  .nav-links li a {
    padding: 0.9rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
  }

  .nav-links li a::after { display: none; }

  .site-header { position: sticky; top: 0; }
  .main-nav { position: relative; }

  /* Hero */
  .hero-section { padding: 3rem 0 2.5rem; }

  /* Topics */
  .topics-grid { grid-template-columns: 1fr; }

  /* Posts */
  .posts-grid, .blog-grid { grid-template-columns: 1fr; }

  /* Dark band */
  .dark-band__inner { grid-template-columns: 1fr 1fr; }

  /* FAQ */
  .faq-layout { gap: 2rem; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-info { grid-column: auto; }

  /* Sub-header: hide tagline on tiny screens */
  .sub-header__tagline { display: none; }

  /* Pagination */
  .pagination { gap: 0.5rem; }

  /* Section heading row */
  .section-heading-row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 400px) {
  .dark-band__inner { grid-template-columns: 1fr; }
  .dark-band__item { border-right: none; border-bottom: 1px solid var(--color-border-dark); }
  .dark-band__item:last-child { border-bottom: none; }
}

/* ---- FOCUS STYLES ----------------------------------------- */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}