/* ============================================
   LÍNEA 5 METRO CDMX — style.css
   Guía definitiva de la Línea Amarilla
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ── Variables ── */
:root {
  --color-primary:       #D4A017;
  --color-accent:        #F6C932;
  --color-primary-light: #FFFBEA;
  --color-primary-subtle:#FEFCE8;
  --color-dark:          #1A1A2E;
  --color-text:          #2D3748;
  --color-text-muted:    #4A5568;
  --color-border:        #E2E8F0;
  --color-bg-alt:        #F7FAFC;
  --color-bg:            #FFFFFF;
  --color-success:       #0D7A55;
  --color-success-light: #E6F4EC;
  --color-danger:        #C53030;
  --color-warning:       #D69E2E;
  --max-width:           1140px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(26,26,46,.08);
  --shadow-md: 0 4px 12px rgba(26,26,46,.14);
  --shadow-lg: 0 12px 32px rgba(26,26,46,.18);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .15s; }
a:hover { text-decoration: underline; }
p { margin-bottom: 1rem; }
ul, ol { padding-left: 1.5rem; }
h1, h2, h3, h4 { line-height: 1.2; color: var(--color-dark); }

/* ── Layout ── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 clamp(16px,4vw,40px); }
.layout-2col { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
@media (max-width: 900px) { .layout-2col { grid-template-columns: 1fr; } }
.section { padding: clamp(40px,7vw,80px) 0; }
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-dark); color: #fff; }

/* ── Disclaimer Bar ── */
.disclaimer-bar {
  background: #12121F;
  border-bottom: 2px solid var(--color-primary);
  padding: 8px 0;
  font-size: .78rem;
  color: rgba(255,255,255,.55);
  text-align: center;
}
.disclaimer-bar a { color: var(--color-accent); font-weight: 600; }

/* ── Header ── */
.site-header {
  background: var(--color-dark);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid var(--color-primary);
  box-shadow: 0 2px 16px rgba(0,0,0,.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 clamp(16px,4vw,40px);
  max-width: var(--max-width);
  margin: 0 auto;
}
.logo-link { display: flex; align-items: center; gap: 10px; text-decoration: none !important; }
.logo-mark {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-dark);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.logo-text { font-size: 1rem; font-weight: 700; color: #fff; letter-spacing: -.01em; }
.logo-text span { color: var(--color-accent); }

/* Nav */
.main-nav ul { list-style: none; display: flex; gap: 4px; padding: 0; margin: 0; }
.main-nav a {
  color: rgba(255,255,255,.8);
  font-size: .875rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all .18s;
  text-decoration: none;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--color-accent); background: rgba(212,160,23,.12); text-decoration: none; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; transition: all .3s; }

@media (max-width: 767px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--color-dark);
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,.1);
    box-shadow: 0 8px 24px rgba(0,0,0,.4);
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav a { display: block; padding: 12px 16px; border-radius: 0; font-size: .95rem; }
  .main-nav a:hover { background: rgba(212,160,23,.1); }
  .nav-toggle { display: block; }
}

/* ── Hero ── */
.hero {
  background: var(--color-dark);
  color: #fff;
  padding: clamp(48px,8vw,88px) 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 50%; height: 100%;
  background: linear-gradient(to right, transparent, rgba(212,160,23,.06));
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -40px; right: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  border: 2px solid rgba(212,160,23,.08);
  pointer-events: none;
}
.hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 400;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 18px;
}
.hero h1 em { font-style: italic; color: var(--color-accent); }
.hero-desc {
  font-size: clamp(.95rem, 2vw, 1.1rem);
  color: rgba(255,255,255,.78);
  max-width: 600px;
  margin-bottom: 32px;
  line-height: 1.75;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(212,160,23,.15);
  border: 1px solid rgba(212,160,23,.4);
  color: var(--color-accent);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.hero-chips { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.7);
  font-size: .78rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
}
.hero-chip strong { color: #fff; font-weight: 600; }

/* ── Airport Badge ── */
.airport-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-dark);
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
  font-size: .78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 100px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: .9rem;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none !important;
}
.btn-primary { background: var(--color-primary); color: var(--color-dark); border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-accent); border-color: var(--color-accent); transform: translateY(-1px); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn-outline:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.7); }
.btn-dark { background: var(--color-dark); color: #fff; border-color: var(--color-dark); }
.btn-dark:hover { background: #2a2a48; }
.btn-sm { font-size: .82rem; padding: 8px 16px; }

/* ── Breadcrumb ── */
.breadcrumb {
  padding: 14px 0;
  font-size: .82rem;
  color: var(--color-text-muted);
}
.breadcrumb a { color: var(--color-primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 6px; color: var(--color-border); }

/* ── Line Badge ── */
.line-badge {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-dark);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  border: 2px solid var(--color-dark);
}
.line-badge-sm { width: 28px; height: 28px; font-size: .8rem; border-width: 1.5px; }
.line-badge-lg { width: 56px; height: 56px; font-size: 1.6rem; border-width: 3px; }

/* ── Station Cards ── */
.station-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  transition: all .2s;
  text-decoration: none !important;
  color: inherit;
}
.station-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.station-card.featured { border: 2px solid var(--color-primary); background: var(--color-primary-light); }
.station-card.terminal { border-left: 4px solid var(--color-dark); }
.station-name { font-size: 1rem; font-weight: 600; color: var(--color-dark); margin-bottom: 3px; }
.station-desc { font-size: .85rem; color: var(--color-text-muted); line-height: 1.55; margin-bottom: 8px; }
.connections { display: flex; gap: 5px; flex-wrap: wrap; }
.connection-pill {
  font-size: .72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--color-dark);
  color: var(--color-primary);
}
/* Route line visual */
.route-line { position: relative; padding-left: 28px; }
.route-line::before {
  content: '';
  position: absolute;
  left: 19px; top: 20px; bottom: 20px;
  width: 3px;
  background: var(--color-primary);
}
.route-line .station-card { position: relative; }
.station-list { display: flex; flex-direction: column; gap: 12px; }

/* ── Cards ── */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: all .2s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px,100%), 1fr)); gap: 20px; }
.card-title { font-size: 1.05rem; font-weight: 700; color: var(--color-dark); margin-bottom: 8px; }
.card-value { font-family: 'DM Serif Display', serif; font-size: 1.5rem; color: var(--color-primary); margin-bottom: 4px; }
.card-desc { font-size: .87rem; color: var(--color-text-muted); line-height: 1.6; }
.card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 14px;
}

/* ── Tables ── */
.tabla-metro { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tabla-metro th {
  background: var(--color-dark);
  color: #fff;
  padding: 11px 14px;
  text-align: left;
  font-weight: 600;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.tabla-metro td { padding: 11px 14px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.tabla-metro tr:nth-child(even) td { background: var(--color-bg-alt); }
.tabla-metro tr:last-child td { border-bottom: none; }
.tabla-metro tr:hover td { background: var(--color-primary-subtle); }
.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--color-border); }

/* ── Alerts ── */
.alert {
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: .9rem;
  margin: 20px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  line-height: 1.65;
}
.alert-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.alert-info  { background: var(--color-primary-light); border-left: 4px solid var(--color-primary); color: #744210; }
.alert-green { background: var(--color-success-light); border-left: 4px solid var(--color-success); color: #1B5E20; }
.alert-red   { background: #FFF5F5; border-left: 4px solid var(--color-danger); color: #742A2A; }

/* ── Info Box (direct answer) ── */
.info-box {
  background: var(--color-primary-light);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 24px 0;
}
.info-box-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}
.info-box-item { text-align: center; }
.info-box-label { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--color-text-muted); margin-bottom: 4px; }
.info-box-value { font-size: 1.05rem; font-weight: 700; color: var(--color-dark); }

/* ── Mini Diagram ── */
.mini-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 20px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  margin: 20px 0;
  overflow-x: auto;
}
.mini-diagram-station {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  font-size: .82rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.mini-diagram-station.active { color: var(--color-dark); font-weight: 700; }
.mini-diagram-station.active .line-badge { box-shadow: 0 0 0 4px rgba(212,160,23,.25); }
.mini-diagram-line {
  width: 40px;
  height: 3px;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* ── FAQ ── */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item:first-child { border-top: 1px solid var(--color-border); }
.faq-btn {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 18px 0;
  font-family: inherit;
  font-size: .98rem;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  line-height: 1.4;
}
.faq-btn::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--color-primary);
  font-weight: 300;
  flex-shrink: 0;
  transition: transform .2s;
}
.faq-item.open .faq-btn::after { content: '\2212'; }
.faq-answer {
  display: none;
  padding: 0 0 18px;
  font-size: .92rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}
.faq-item.open .faq-answer { display: block; }

/* ── Sidebar ── */
.sticky-sidebar { position: sticky; top: 80px; display: flex; flex-direction: column; gap: 20px; }
.sidebar-box {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.sidebar-box.dark { background: var(--color-dark); border-color: transparent; }
.sidebar-box h4 {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}
.sidebar-box.dark h4 { color: rgba(255,255,255,.4); }
.sidebar-links { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.sidebar-links a {
  font-size: .85rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  transition: all .15s;
  text-decoration: none;
}
.sidebar-links a:hover { background: var(--color-primary-light); color: var(--color-dark); }
.sidebar-links a::before { content: '\203A'; color: var(--color-primary); font-size: .9rem; font-weight: 700; }
.sidebar-box.dark .sidebar-links a { color: rgba(255,255,255,.75); }
.sidebar-box.dark .sidebar-links a:hover { background: rgba(212,160,23,.15); color: var(--color-accent); }
.sidebar-box.dark p { color: rgba(255,255,255,.6); font-size: .85rem; line-height: 1.6; }

/* ── Footer ── */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,.65);
  padding: 56px 0 32px;
  border-top: 3px solid var(--color-primary);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h5 {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-col li a { font-size: .87rem; color: rgba(255,255,255,.65); transition: color .15s; text-decoration: none; }
.footer-col li a:hover { color: var(--color-accent); }
.footer-about p { font-size: .85rem; line-height: 1.7; max-width: 260px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .8rem;
  color: rgba(255,255,255,.35);
}
.footer-bottom a { color: rgba(255,255,255,.45); text-decoration: none; }
.footer-bottom a:hover { color: var(--color-accent); }

/* ── Section headings ── */
.section-header { margin-bottom: 32px; }
.section-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 700;
  margin-bottom: 8px;
}
.section-header p { color: var(--color-text-muted); font-size: .95rem; max-width: 600px; }
.section-label {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}

/* ── Content ── */
.content h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 700;
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary-light);
}
.content h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  margin: 28px 0 12px;
}
.content ul, .content ol { margin-bottom: 1rem; }
.content li { margin-bottom: .5rem; }
.content strong { color: var(--color-dark); }
.content a { color: var(--color-primary); font-weight: 500; }
.content a:hover { color: var(--color-accent); }

/* ── HowTo Steps ── */
.howto-steps { counter-reset: step; }
.howto-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  margin-bottom: 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  counter-increment: step;
}
.howto-step-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-dark);
  font-weight: 700;
  font-size: .9rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.howto-step-content h3 { margin: 0 0 6px; font-size: 1rem; }
.howto-step-content p { margin: 0; font-size: .9rem; color: var(--color-text-muted); }

/* ── Fade In animation ── */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .5s, transform .5s; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── Airport Feature Section ── */
.airport-feature {
  background: linear-gradient(135deg, var(--color-dark) 0%, #252545 100%);
  border: 2px solid rgba(212,160,23,.2);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 40px);
  margin: 32px 0;
  color: #fff;
}
.airport-feature h3 { color: var(--color-accent); font-size: 1.2rem; margin-bottom: 12px; }
.airport-feature p { color: rgba(255,255,255,.75); }

/* ── Quick Info Cards ── */
.quick-info { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px,100%), 1fr)); gap: 16px; }
.quick-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
}
.quick-card-icon { font-size: 1.8rem; margin-bottom: 10px; }
.quick-card h4 { font-size: .95rem; font-weight: 700; margin-bottom: 6px; }
.quick-card p { font-size: .85rem; color: var(--color-text-muted); margin: 0; }

/* ── Correspondence Table ── */
.corresp-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  color: #fff;
}

/* Line colors */
.line-1  { background: #E75D8E; }
.line-2  { background: #0072BC; }
.line-3  { background: #AEB632; }
.line-4  { background: #6AC4C8; }
.line-5  { background: #D4A017; color: var(--color-dark); }
.line-6  { background: #D44029; }
.line-7  { background: #E77A29; }
.line-8  { background: #2E8B57; }
.line-9  { background: #6E3C32; }
.line-a  { background: #A14D95; }
.line-b  { background: #B5B5B5; color: var(--color-dark); }
.line-12 { background: #C2A33D; }

/* ── Utility ── */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.gap-sm { gap: 8px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden { display: none; }

/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  padding: 8px 16px;
  background: var(--color-primary);
  color: var(--color-dark);
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 200;
}
.skip-link:focus { top: 8px; }

/* ── Print ── */
@media print {
  .site-header, .site-footer, .disclaimer-bar, .sticky-sidebar, .nav-toggle { display: none !important; }
  .layout-2col { grid-template-columns: 1fr !important; }
  body { color: #000; }
}

/* ── Legal page ── */
.legal-content { max-width: 760px; }
.legal-content h2 { font-size: 1.2rem; margin: 32px 0 12px; border-bottom: none; padding-bottom: 0; }
.legal-content p, .legal-content li { font-size: .9rem; color: var(--color-text-muted); }

/* ── Smooth scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-alt); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ── Mobile Responsive Refinements ── */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

@media (max-width: 600px) {
  /* Prevent clipping and scrollbars inside direct answers */
  .info-box {
    padding: 16px;
    margin: 16px 0;
  }
  .info-box-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .info-box-value {
    font-size: 0.95rem;
  }
  
  /* Make tables compact and highly readable on mobile */
  .tabla-metro {
    font-size: 0.8rem;
  }
  .tabla-metro th, .tabla-metro td {
    padding: 8px 10px;
  }
  
  /* Disable center clipping in mini-diagram when overflowing */
  .mini-diagram {
    justify-content: flex-start;
    padding: 16px 12px;
  }
}

@media (max-width: 500px) {
  /* Optimize step-by-step guides on smaller screens */
  .howto-step {
    padding: 16px;
    gap: 12px;
  }
}

@media (max-width: 360px) {
  /* Stack the info boxes to prevent narrow clipping */
  .info-box-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  
  /* Scale down the header elements on ultra-narrow viewports */
  .logo-text {
    font-size: 0.9rem;
  }
  .logo-mark {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }
}