/* --------------------------------------------------------------------------
   TELEFONSZÁMOK.HU — DESIGN SYSTEM & STYLESHEET
   Aesthetic: Kapcsolótábla / Mono-technical telecom interface
   -------------------------------------------------------------------------- */

:root {
  --color-primary: #22262b;
  --color-secondary: #6b747d;
  --color-accent: #2bb5c4;
  --color-surface: #eef0f2;
  --color-surface-hover: #e2e6ea;
  --color-ink: #13171b;
  --color-bg: #f7f9fa;
  --color-border: #d0d7de;
  --color-border-dark: #333a42;

  --font-mono: 'Ubuntu Mono', monospace;
  --font-sans: 'Ubuntu', sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-ink);
  background-color: var(--color-bg);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --------------------------------------------------------------------------
   CHROME: TOP BAND & NAVIGATION STRIP
   -------------------------------------------------------------------------- */

.sys-header {
  width: 100%;
  background-color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
}

.sys-brand-band {
  width: 100%;
  background-color: #171a1d;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border-dark);
}

.sys-brand-inner {
  max-width: 1140px;
  margin: 0 auto;
}

.sys-brand-title {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.sys-brand-title::before {
  content: "[ ";
  color: var(--color-secondary);
}
.sys-brand-title::after {
  content: " ]";
  color: var(--color-secondary);
}

.sys-exchange-nav {
  width: 100%;
  background-color: var(--color-primary);
}

.sys-nav-strip {
  display: flex;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

.sys-nav-cell {
  flex: 1 1 0px;
  text-align: center;
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-surface);
  text-decoration: none;
  border-right: 1px solid var(--color-border-dark);
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.sys-nav-cell:last-child {
  border-right: none;
}

.sys-nav-cell:hover,
.sys-nav-cell.is-active {
  background-color: #2e343b;
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   LAYOUT CONTAINER
   -------------------------------------------------------------------------- */

.sys-main-container {
  flex: 1 0 auto;
  width: 100%;
}

.sys-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* --------------------------------------------------------------------------
   HOMEPAGE OPENING BLOCK (QUIET)
   -------------------------------------------------------------------------- */

.sys-opening-block {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.sys-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.sys-opening-title {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.sys-opening-rule {
  border: none;
  height: 2px;
  background-color: var(--color-accent);
  margin: 0.75rem 0 1rem 0;
  width: 60px;
}

.sys-opening-content p {
  color: var(--color-ink);
  font-size: 1rem;
  line-height: 1.6;
}

.sys-opening-content p + p {
  margin-top: 0.75rem;
}

/* MANDATORY LIST RULE: covers BOTH article prose AND opening content */
.sys-article-prose ul,
.sys-article-prose ol,
.sys-opening-content ul,
.sys-opening-content ol {
  padding-left: 2rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.sys-article-prose li,
.sys-opening-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   SECTION PITCH BLOCK
   -------------------------------------------------------------------------- */

.sys-pitch-section {
  margin-bottom: 2.5rem;
}

.sys-pitch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.sys-pitch-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1.25rem;
  position: relative;
}

.sys-pitch-num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.35rem;
}

.sys-pitch-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.sys-pitch-desc {
  font-size: 0.92rem;
  color: #3a4149;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   ARTICLE MOSAIC (TILES UNEVEN)
   -------------------------------------------------------------------------- */

.sys-mosaic-section {
  margin-bottom: 2.5rem;
}

.sys-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

.sys-section-title {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
}

.sys-section-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  background-color: var(--color-primary);
  color: var(--color-accent);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
}

.sys-mosaic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(190px, auto);
  gap: 1.25rem;
}

.sys-tile {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s ease, transform 0.15s ease;
}

.sys-tile:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.sys-tile-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-secondary);
  margin-bottom: 0.75rem;
}

.sys-tile-id {
  color: var(--color-accent);
  font-weight: 700;
}

.sys-tile-title {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.sys-tile-title a {
  color: var(--color-primary);
  text-decoration: none;
}

.sys-tile-title a:hover {
  color: var(--color-accent);
}

.sys-tile-summary {
  font-size: 0.92rem;
  color: #4a525d;
  line-height: 1.55;
  flex-grow: 1;
}

/* Explicit uneven tile spans for 5 items */
.sys-tile-pos-1 {
  grid-column: 1 / span 2;
  grid-row: 1 / span 2;
  background-color: #fbfcfd;
  border-left: 4px solid var(--color-accent);
}
.sys-tile-pos-1 .sys-tile-title {
  font-size: 1.35rem;
}

.sys-tile-pos-2 {
  grid-column: 3 / span 1;
  grid-row: 1 / span 1;
}

.sys-tile-pos-3 {
  grid-column: 3 / span 1;
  grid-row: 2 / span 1;
}

.sys-tile-pos-4 {
  grid-column: 1 / span 1;
  grid-row: 3 / span 1;
}

.sys-tile-pos-5 {
  grid-column: 2 / span 2;
  grid-row: 3 / span 1;
  background-color: var(--color-surface);
}

/* --------------------------------------------------------------------------
   ARTICLE & PAGE PROSE TEMPLATE
   -------------------------------------------------------------------------- */

.sys-article-wrapper,
.sys-page-header {
  max-width: 840px;
  margin: 0 auto;
}

.sys-article-header,
.sys-page-header {
  margin-bottom: 2rem;
}

.sys-article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.sys-meta-tag {
  color: var(--color-accent);
  font-weight: 700;
}

.sys-meta-date {
  color: var(--color-secondary);
}

.sys-article-title,
.sys-page-title {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.sys-article-lead,
.sys-page-desc {
  font-size: 1.12rem;
  color: #3a4149;
  line-height: 1.6;
  font-weight: 500;
}

.sys-article-prose {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  padding: 2rem 2.25rem;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--color-ink);
}

.sys-article-prose h2 {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}

.sys-article-prose h3 {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

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

.sys-article-prose blockquote {
  border-left: 3px solid var(--color-accent);
  background-color: var(--color-surface);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #2b323a;
}

.sys-article-prose a {
  color: #0b7885;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.sys-article-footer {
  max-width: 840px;
  margin: 2rem auto 0 auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.sys-back-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.sys-back-link:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */

.sys-footer {
  background-color: var(--color-primary);
  border-top: 2px solid var(--color-accent);
  color: var(--color-surface);
  padding: 2.5rem 1.5rem 2rem 1.5rem;
  margin-top: 4rem;
}

.sys-footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.sys-footer-info {
  max-width: 550px;
}

.sys-footer-brand {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-accent);
  display: inline-block;
  margin-bottom: 0.5rem;
}

.sys-footer-copy {
  font-size: 0.88rem;
  color: #9aa3ab;
  line-height: 1.55;
}

.sys-footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.sys-footer-links a {
  color: var(--color-surface);
  text-decoration: none;
}

.sys-footer-links a:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   RESPONSIVE BREAKPOINTS (375px SAFE, NO HORIZONTAL SCROLL)
   -------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .sys-pitch-grid {
    grid-template-columns: 1fr;
  }
  .sys-mosaic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sys-tile-pos-1 { grid-column: 1 / span 2; grid-row: auto; }
  .sys-tile-pos-2 { grid-column: 1 / span 1; grid-row: auto; }
  .sys-tile-pos-3 { grid-column: 2 / span 1; grid-row: auto; }
  .sys-tile-pos-4 { grid-column: 1 / span 2; grid-row: auto; }
  .sys-tile-pos-5 { grid-column: 1 / span 2; grid-row: auto; }
}

@media (max-width: 600px) {
  .sys-nav-strip {
    flex-wrap: wrap;
  }
  .sys-nav-cell {
    flex: 1 1 50%;
    border-bottom: 1px solid var(--color-border-dark);
    font-size: 0.88rem;
    padding: 0.7rem 0.5rem;
  }
  .sys-mosaic-grid {
    grid-template-columns: 1fr;
  }
  .sys-tile-pos-1, .sys-tile-pos-2, .sys-tile-pos-3, .sys-tile-pos-4, .sys-tile-pos-5 {
    grid-column: 1 / span 1;
    grid-row: auto;
  }
  .sys-opening-title,
  .sys-article-title,
  .sys-page-title {
    font-size: 1.4rem;
  }
  .sys-container {
    padding: 1.25rem 1rem;
  }
  .sys-article-prose {
    padding: 1.25rem 1rem;
  }
  .sys-footer-inner {
    flex-direction: column;
    gap: 1.5rem;
  }
}