/* ==========================================================================
   Adatkép · brand stylesheet v1.0
   Locked: 2026-04-19
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter+Tight:wght@400;500;600;700&display=swap');

:root {
  --ink: #0E1A24;
  --paper: #F7F4EE;
  --accent: #0F8B8D;
  --accent-soft: rgba(15, 139, 141, 0.12);
  --muted: #6B7785;
  --rule: #D8D2C7;
  --warn: #C44536;

  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --font-body: 'Inter Tight', system-ui, -apple-system, sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --content-max: 1100px;
  --reading-max: 680px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; }

/* ----- Layout primitives ------------------------------------------------- */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
}
.container--reading { max-width: var(--reading-max); }
.section { padding: 80px 0; }
.section--hero { padding: 120px 0 80px; }
.section--tight { padding: 48px 0; }
.section + .section { border-top: 1px solid var(--rule); }

/* ----- Mono labels (eyebrow) -------------------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
  margin-bottom: 16px;
}
.eyebrow--accent { color: var(--accent); }

/* ----- Typography -------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0 0 16px;
}
h1 { font-size: clamp(48px, 7vw, 88px); }
h2 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.03em; }
h3 { font-size: clamp(20px, 2.4vw, 24px); letter-spacing: -0.02em; }
h4 { font-size: 18px; letter-spacing: -0.01em; }

p { margin: 0 0 16px; }
.lead {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
  color: var(--ink);
  font-weight: 400;
  max-width: var(--reading-max);
}
.text-muted { color: var(--muted); }

/* ----- Wordmark ---------------------------------------------------------- */
.wordmark {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--ink);
  display: inline-block;
  text-decoration: none;
}
.wordmark .accent { color: var(--accent); }
.wordmark--xs { font-size: 16px; }
.wordmark--sm { font-size: 22px; }
.wordmark--md { font-size: 32px; }
.wordmark--lg { font-size: clamp(56px, 9vw, 96px); }

/* ----- Header ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 244, 238, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--content-max);
  margin: 0 auto;
}
.nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav a {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink);
  font-weight: 500;
}
.nav a:hover { color: var(--accent); text-decoration: none; }

/* ----- Footer ------------------------------------------------------------ */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: 64px 0 40px;
  margin-top: 80px;
}
.site-footer .wordmark { color: var(--paper); margin-bottom: 8px; }
.site-footer .wordmark .accent { color: var(--accent); }
.site-footer__row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.site-footer__col h4 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(247, 244, 238, 0.5);
  margin-bottom: 16px;
}
.site-footer__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-footer__col li { padding: 4px 0; }
.site-footer__col a {
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 14px;
}
.site-footer__col a:hover { color: var(--accent); text-decoration: none; }
.site-footer__bottom {
  border-top: 1px solid rgba(247, 244, 238, 0.1);
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: rgba(247, 244, 238, 0.5);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ----- Hero -------------------------------------------------------------- */
.hero {
  padding: 96px 0 64px;
}
.hero h1 { margin-bottom: 24px; }
.hero .lead { color: var(--ink); font-weight: 500; }

/* ----- Post cards (grid) ------------------------------------------------- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.post-card {
  display: flex;
  flex-direction: column;
  background: white;
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
  color: inherit;
}
.post-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 26, 36, 0.06);
  text-decoration: none;
}
.post-card__visual {
  aspect-ratio: 1.4;
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  border-bottom: 1px solid var(--rule);
}
.post-card__body { padding: 20px 24px 24px; }
.post-card__cat {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 8px;
}
.post-card__title {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 10px;
  color: var(--ink);
}
.post-card__caption {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  margin-bottom: 4px;
}
.post-card__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
}

/* ----- Featured (hero card) --------------------------------------------- */
.featured {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-md);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.featured__cat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.featured__title {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.featured__title a { color: var(--paper); }
.featured__title a:hover { color: var(--accent); text-decoration: none; }
.featured__excerpt { color: rgba(247, 244, 238, 0.7); margin-bottom: 24px; line-height: 1.6; }
.featured__visual {
  background: var(--paper);
  border-radius: var(--radius-sm);
  padding: 32px;
  color: var(--ink);
}

/* ----- Chart components (used in posts) --------------------------------- */
.chart {
  background: white;
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 32px;
  margin: 32px 0;
}
.chart--dark { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chart--dark .chart__sub, .chart--dark .chart__source { color: rgba(247, 244, 238, 0.5); }
.chart--dark .bar-track { background: rgba(247, 244, 238, 0.1); }
.chart--dark .bar-val, .chart--dark .bar-label { color: var(--paper); }

.chart__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.chart__title {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.chart__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.chart__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 4px 10px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 100px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  flex-shrink: 0;
}

/* Bar chart rows */
.bar-row {
  display: grid;
  grid-template-columns: 110px 1fr 80px;
  gap: 16px;
  align-items: center;
  margin-bottom: 12px;
  font-size: 13px;
}
.bar-label { font-family: var(--font-mono); font-weight: 500; color: var(--ink); }
.bar-track { background: var(--rule); height: 26px; border-radius: 2px; overflow: hidden; }
.bar-fill { background: var(--accent); height: 100%; }
.bar-fill--warn { background: var(--warn); }
.bar-val { font-family: var(--font-mono); font-size: 13px; text-align: right; font-weight: 500; color: var(--ink); }

.chart__source {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  letter-spacing: 0.05em;
}
.chart--dark .chart__source { border-top-color: rgba(247, 244, 238, 0.1); }

/* ----- Chart download button ------------------------------------------- */
.chart-wrap { position: relative; margin: 32px 0; }
.chart-wrap .chart { margin: 0; }
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--rule);
  padding: 8px 14px;
  border-radius: 100px;
  cursor: pointer;
  margin-top: 12px;
  transition: all 0.15s ease;
}
.download-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.download-btn:disabled { opacity: 0.5; cursor: wait; }
.download-btn::before { content: '↓'; font-size: 14px; line-height: 1; }

/* ----- Filter bar (osszes page) --------------------------------------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}
.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  background: white;
  color: var(--ink);
  border: 1px solid var(--rule);
  padding: 8px 14px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-weight: 500;
}
.filter-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.filter-pill.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.filter-pill.active .filter-count { color: rgba(247, 244, 238, 0.6); }
.filter-pill[data-empty="true"] {
  opacity: 0.5;
}
.filter-count {
  font-size: 10px;
  color: var(--muted);
  font-weight: 400;
}

.filter-empty {
  background: white;
  border: 1px dashed var(--rule);
  border-radius: var(--radius-md);
  padding: 48px 32px;
  text-align: center;
  margin-top: 24px;
}
.filter-empty h3 {
  font-family: var(--font-mono);
  font-size: 22px;
  margin-bottom: 8px;
  color: var(--ink);
}
.filter-empty p {
  color: var(--muted);
  margin: 0 auto;
  max-width: 520px;
}

/* ----- CTA button (homepage "Összes" button) -------------------------- */
.cta-row {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.01em;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  border: none;
}
.btn--primary {
  background: var(--ink);
  color: var(--paper);
}
.btn--primary:hover {
  background: var(--accent);
  color: white;
  text-decoration: none;
}
.btn--lg {
  font-size: 16px;
  padding: 18px 32px;
}
.btn--md {
  font-size: 14px;
  padding: 14px 24px;
}
.btn .arrow {
  transition: transform 0.15s ease;
}
.btn:hover .arrow {
  transform: translateX(4px);
}

/* ----- Post (article) page --------------------------------------------- */
.post {
  padding: 64px 0;
}
.post__header { margin-bottom: 48px; }
.post__cat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: inline-block;
}
.post__title {
  font-family: var(--font-mono);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.post__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.post__body p { font-size: 17px; line-height: 1.7; margin-bottom: 20px; max-width: var(--reading-max); }
.post__body h2 { margin-top: 48px; }
.post__body h3 { margin-top: 32px; }
.post__body strong { color: var(--ink); font-weight: 600; }

.callout {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  padding: 20px 24px;
  margin: 32px 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.callout strong { color: var(--accent); }

.share-row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}
.share-row .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}
.share-row a {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 14px;
  border: 1px solid var(--rule);
  border-radius: 100px;
  color: var(--ink);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.share-row a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* ----- Banner / install prompt ----------------------------------------- */
.notice {
  background: var(--accent);
  color: white;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 16px;
}

/* ----- Install CTA (reuses .btn.btn--primary.btn--lg) ----------------- */
.install-row {
  margin-top: 32px;
  display: flex;
  justify-content: flex-start;
}
.btn__prefix {
  font-size: 18px;
  line-height: 1;
  display: inline-block;
  transform: translateY(-1px);
  margin-right: 2px;
}
.install-hint {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* Footer install link */
.install-footer-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.install-footer-link::before { content: '↓'; }

/* Hide install triggers once installed */
body.pwa-installed .install-row,
body.pwa-installed .install-hint,
body.pwa-installed .install-footer-link {
  display: none !important;
}

/* ----- Install modal --------------------------------------------------- */
.install-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.install-modal.open { display: flex; }
.install-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(14, 26, 36, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.install-modal__card {
  position: relative;
  background: var(--paper);
  border-radius: var(--radius-md);
  padding: 32px 28px 28px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(14, 26, 36, 0.35);
  animation: install-pop 0.18s ease-out;
}
@keyframes install-pop {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.install-modal__close {
  position: absolute;
  top: 10px;
  right: 10px;
  background: transparent;
  border: none;
  font-size: 26px;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 12px;
  border-radius: 8px;
  font-family: var(--font-mono);
}
.install-modal__close:hover {
  background: var(--accent-soft);
  color: var(--accent);
}
.install-modal__brand { margin-bottom: 12px; }
.install-modal h3 {
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}
.install-modal__lede {
  color: var(--muted);
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.5;
}
.install-modal__platform[hidden] { display: none; }
.install-modal__step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.5;
}
.install-modal__step:first-child { border-top: none; padding-top: 4px; }
.install-modal__step strong { color: var(--ink); font-weight: 600; }
.install-modal__num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 100px;
  background: var(--accent);
  color: white;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.install-modal__foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ----- Responsive ------------------------------------------------------ */
@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .site-header__inner { padding: 12px 20px; }
  .section { padding: 48px 0; }
  .section--hero { padding: 64px 0 40px; }
  .section--tight { padding: 32px 0; }
  .nav { gap: 16px; }
  .nav a { font-size: 11px; }

  /* Wordmark + hero scaling */
  .wordmark--md { font-size: 26px; }
  .hero { padding: 48px 0 32px; }
  .hero h1 { margin-bottom: 16px; }
  h1 { font-size: clamp(36px, 11vw, 56px); letter-spacing: -0.03em; }
  h2 { font-size: clamp(24px, 6.5vw, 32px); }
  .lead { font-size: 17px; line-height: 1.55; }

  /* Post (article) pages — the biggest spacing offender on mobile */
  .post { padding: 32px 0 48px; }
  .post__header { margin-bottom: 28px; }
  .post__title {
    font-size: clamp(26px, 7.5vw, 40px);
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 12px;
    /* break long compound words cleanly instead of overflowing */
    overflow-wrap: break-word;
    word-break: break-word;
    hyphens: auto;
  }
  .post__meta { font-size: 11px; }
  .post__body p { font-size: 16px; line-height: 1.6; margin-bottom: 16px; }
  .post__body h2 { margin-top: 32px; }
  .post__body h3 { margin-top: 24px; }
  .callout { padding: 16px 18px; font-size: 15px; margin: 24px 0; }

  /* Charts need much tighter gutters on mobile */
  .chart { padding: 20px 16px; margin: 24px 0; }
  .chart__head { gap: 10px; margin-bottom: 16px; }
  .chart__title { font-size: 15px; line-height: 1.3; }
  .chart__sub { font-size: 10px; }
  .chart__tag { font-size: 9px; padding: 3px 8px; }
  .chart__source { font-size: 10px; margin-top: 16px; padding-top: 12px; flex-wrap: wrap; gap: 6px; }
  .bar-row { grid-template-columns: 72px 1fr 54px; gap: 8px; font-size: 12px; margin-bottom: 10px; }
  .bar-label, .bar-val { font-size: 11px; }
  .bar-track { height: 20px; }

  .chart-wrap { margin: 24px 0; }
  .download-btn { font-size: 10px; padding: 6px 12px; margin-top: 8px; }

  /* Cards + featured */
  .featured { grid-template-columns: 1fr; padding: 28px 22px; gap: 24px; }
  .featured__title { font-size: 24px; }
  .featured__visual { padding: 20px; }
  .post-grid { gap: 16px; grid-template-columns: 1fr; }
  .post-card__visual { aspect-ratio: 1.6; padding: 16px; }
  .post-card__body { padding: 16px 18px 18px; }
  .post-card__title { font-size: 16px; }

  /* Footer */
  .site-footer { padding: 40px 0 28px; margin-top: 48px; }
  .site-footer__row { grid-template-columns: 1fr; gap: 28px; margin-bottom: 32px; }

  /* Share row */
  .share-row { flex-wrap: wrap; margin-top: 32px; padding-top: 24px; }
  .share-row a { font-size: 11px; padding: 6px 12px; }

  /* Filter bar on /osszes */
  .filter-bar { gap: 6px; margin-bottom: 24px; padding-bottom: 14px; }
  .filter-pill { font-size: 11px; padding: 6px 11px; }
}

@media (max-width: 380px) {
  .container { padding: 0 16px; }
  .site-header__inner { padding: 10px 16px; }
  .wordmark--md { font-size: 22px; }
  .nav { gap: 12px; }
  .nav a { font-size: 10px; letter-spacing: 0.08em; }
  .post__title { font-size: clamp(22px, 7vw, 30px); }
  .bar-row { grid-template-columns: 60px 1fr 48px; gap: 6px; }
}