/* ===== METROBUS PANAMÁ — DESIGN SYSTEM ===== */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
  --azul:       #003580;
  --azul-oscuro:#001f4d;
  --rojo:       #E3001B;
  --amarillo:   #FFD100;
  --blanco:     #FFFFFF;
  --gris-suave: #F4F6FA;
  --gris-medio: #DDE2EC;
  --gris-texto: #5A6370;
  --negro:      #0D1117;
  --sombra:     0 4px 24px rgba(0,53,128,.13);
  --sombra-lg:  0 12px 48px rgba(0,53,128,.18);
  --radius:     14px;
  --radius-lg:  22px;
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --trans:      .25s cubic-bezier(.4,0,.2,1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--negro);
  background: var(--blanco);
  line-height: 1.65;
  overflow-x: hidden;
}

/* ====== TOPBAR ====== */
.topbar {
  background: var(--azul-oscuro);
  color: rgba(255,255,255,.75);
  font-size: .8rem;
  padding: .4rem 0;
  text-align: center;
  letter-spacing: .04em;
}
.topbar a { color: var(--amarillo); text-decoration: none; }

/* ====== NAVBAR ====== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--azul);
  box-shadow: 0 2px 20px rgba(0,0,0,.25);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  color: var(--blanco);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -.02em;
}
.nav-logo .logo-icon {
  width: 38px; height: 38px;
  background: var(--amarillo);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.nav-logo span { color: var(--amarillo); }

.nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: .88rem;
  font-weight: 500;
  padding: .4rem .75rem;
  border-radius: 8px;
  transition: var(--trans);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  background: rgba(255,255,255,.15);
  color: var(--amarillo);
}
.nav-cta {
  background: var(--amarillo) !important;
  color: var(--azul-oscuro) !important;
  font-weight: 700 !important;
  padding: .45rem 1rem !important;
}
.nav-cta:hover { background: #ffe033 !important; }

/* hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: .5rem;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--blanco);
  transition: var(--trans);
  border-radius: 2px;
}

/* ====== HERO ====== */
.hero {
  background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul) 60%, #1a5fb4 100%);
  color: var(--blanco);
  padding: 5rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(255,209,0,.15);
  border: 1px solid rgba(255,209,0,.35);
  color: var(--amarillo);
  font-size: .8rem;
  font-weight: 600;
  padding: .35rem .85rem;
  border-radius: 100px;
  margin-bottom: 1rem;
  letter-spacing: .04em;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 1rem;
}
.hero h1 .accent { color: var(--amarillo); }
.hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 2rem;
  max-width: 480px;
}
.hero-btns {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}
.btn-primary {
  background: var(--amarillo);
  color: var(--azul-oscuro);
  font-weight: 700;
  font-size: .95rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  transition: var(--trans);
  font-family: var(--font-body);
}
.btn-primary:hover { background: #ffe033; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,209,0,.35); }

.btn-secondary {
  background: rgba(255,255,255,.12);
  color: var(--blanco);
  border: 1px solid rgba(255,255,255,.3);
  font-weight: 600;
  font-size: .95rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  transition: var(--trans);
}
.btn-secondary:hover { background: rgba(255,255,255,.2); }

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Consulta rápida card en hero */
.quick-check {
  background: var(--blanco);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--sombra-lg);
  color: var(--negro);
}
.quick-check h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--azul);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.quick-check input {
  width: 100%;
  padding: .75rem 1rem;
  border: 2px solid var(--gris-medio);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: var(--trans);
  margin-bottom: .75rem;
  letter-spacing: .08em;
}
.quick-check input:focus { border-color: var(--azul); }
.quick-check .btn-check {
  width: 100%;
  background: var(--azul);
  color: var(--blanco);
  border: none;
  padding: .85rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--trans);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
}
.quick-check .btn-check:hover { background: var(--azul-oscuro); transform: translateY(-1px); }
.saldo-result {
  margin-top: .75rem;
  padding: 1rem;
  background: var(--gris-suave);
  border-radius: var(--radius);
  display: none;
  text-align: center;
}
.saldo-result.show { display: block; }
.saldo-amount {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--azul);
}
.saldo-label { font-size: .8rem; color: var(--gris-texto); margin-top: .25rem; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
}
.stat-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  padding: 1rem .75rem;
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--amarillo);
}
.stat-lbl { font-size: .75rem; color: rgba(255,255,255,.7); margin-top: .15rem; }

/* ====== BREADCRUMB ====== */
.breadcrumb {
  background: var(--gris-suave);
  padding: .6rem 1.5rem;
  font-size: .8rem;
  color: var(--gris-texto);
  border-bottom: 1px solid var(--gris-medio);
}
.breadcrumb-inner { max-width: 1200px; margin: 0 auto; }
.breadcrumb a { color: var(--azul); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* ====== SECTION BASE ====== */
section { padding: 4rem 1.5rem; }
.container { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-tag {
  display: inline-block;
  background: rgba(0,53,128,.1);
  color: var(--azul);
  font-size: .78rem;
  font-weight: 700;
  padding: .3rem .85rem;
  border-radius: 100px;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: .75rem;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--azul-oscuro);
  margin-bottom: .6rem;
}
.section-header p {
  font-size: 1rem;
  color: var(--gris-texto);
  max-width: 560px;
  margin: 0 auto;
}

/* ====== CARDS GRID ====== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--blanco);
  border: 1px solid var(--gris-medio);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: var(--trans);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--azul), var(--amarillo));
  transform: scaleX(0);
  transition: var(--trans);
  transform-origin: left;
}
.card:hover {
  box-shadow: var(--sombra-lg);
  transform: translateY(-4px);
  border-color: transparent;
}
.card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 52px; height: 52px;
  background: var(--gris-suave);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--azul-oscuro);
  margin-bottom: .5rem;
}
.card p { font-size: .9rem; color: var(--gris-texto); line-height: 1.6; }
.card a {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  color: var(--azul);
  font-weight: 600;
  font-size: .88rem;
  text-decoration: none;
  margin-top: 1rem;
  transition: var(--trans);
}
.card a:hover { gap: .6rem; }

/* ====== FEATURE SECTION ====== */
.feature-section { background: var(--gris-suave); }
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.feature-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--azul-oscuro);
  margin-bottom: 1rem;
  line-height: 1.15;
}
.feature-content p { color: var(--gris-texto); margin-bottom: 1rem; }
.steps-list { list-style: none; margin: 1.5rem 0; }
.steps-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.step-num {
  width: 36px; height: 36px;
  background: var(--azul);
  color: var(--blanco);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .9rem;
  flex-shrink: 0;
}
.step-text strong { display: block; color: var(--azul-oscuro); font-weight: 600; margin-bottom: .2rem; }
.step-text span { font-size: .88rem; color: var(--gris-texto); }

.feature-visual {
  background: linear-gradient(135deg, var(--azul), #1a5fb4);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  color: var(--blanco);
}
.info-table { width: 100%; border-collapse: collapse; }
.info-table th {
  text-align: left;
  font-size: .75rem;
  font-weight: 600;
  color: rgba(255,255,255,.6);
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .6rem 0;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.info-table td {
  padding: .85rem 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  font-size: .9rem;
  vertical-align: middle;
}
.info-table td:first-child { color: rgba(255,255,255,.8); }
.info-table td:last-child { color: var(--blanco); font-weight: 600; text-align: right; }
.badge-tag {
  display: inline-block;
  background: rgba(255,209,0,.2);
  color: var(--amarillo);
  padding: .2rem .6rem;
  border-radius: 100px;
  font-size: .75rem;
  font-weight: 600;
}

/* ====== FAQ ====== */
.faq-section { background: var(--blanco); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--gris-medio);
  border-radius: var(--radius);
  margin-bottom: .75rem;
  overflow: hidden;
  transition: var(--trans);
}
.faq-item:hover { border-color: var(--azul); }
.faq-q {
  width: 100%;
  background: none;
  border: none;
  padding: 1.1rem 1.5rem;
  text-align: left;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  color: var(--azul-oscuro);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq-q .icon {
  width: 28px; height: 28px;
  background: var(--gris-suave);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  flex-shrink: 0;
  transition: var(--trans);
}
.faq-item.open .faq-q .icon { background: var(--azul); color: var(--blanco); transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  font-size: .9rem;
  color: var(--gris-texto);
  line-height: 1.7;
}
.faq-a-inner { padding: 0 1.5rem 1.25rem; }
.faq-item.open .faq-a { max-height: 500px; }

/* ====== ALERT BOX ====== */
.alert-box {
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin: 1.5rem 0;
}
.alert-info { background: rgba(0,53,128,.07); border-left: 4px solid var(--azul); }
.alert-warn { background: rgba(255,209,0,.15); border-left: 4px solid var(--amarillo); }
.alert-box .alert-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: .1rem; }
.alert-box strong { display: block; font-weight: 700; color: var(--azul-oscuro); margin-bottom: .25rem; font-size: .95rem; }
.alert-box p { font-size: .88rem; color: var(--gris-texto); margin: 0; }

/* ====== HIGHLIGHT BAND ====== */
.highlight-band {
  background: linear-gradient(135deg, var(--azul-oscuro), var(--azul));
  color: var(--blanco);
  padding: 3.5rem 1.5rem;
  text-align: center;
}
.highlight-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: .75rem;
}
.highlight-band p { color: rgba(255,255,255,.75); max-width: 560px; margin: 0 auto 1.75rem; }

/* ====== CONTENT ARTICLE ====== */
.content-article { max-width: 860px; margin: 0 auto; }
.content-article h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--azul-oscuro);
  margin: 2.5rem 0 .75rem;
  letter-spacing: -.02em;
}
.content-article h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--azul);
  margin: 1.75rem 0 .5rem;
}
.content-article p { color: #3a4450; margin-bottom: 1rem; line-height: 1.75; }
.content-article ul, .content-article ol {
  margin: .75rem 0 1rem 1.5rem;
  color: #3a4450;
}
.content-article li { margin-bottom: .4rem; line-height: 1.7; font-size: .95rem; }
.content-article strong { color: var(--azul-oscuro); }

/* ====== TABLE ====== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: .9rem;
}
.data-table th {
  background: var(--azul);
  color: var(--blanco);
  padding: .85rem 1rem;
  text-align: left;
  font-weight: 700;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.data-table td {
  padding: .85rem 1rem;
  border-bottom: 1px solid var(--gris-medio);
  color: #3a4450;
}
.data-table tr:nth-child(even) td { background: var(--gris-suave); }
.data-table tr:hover td { background: rgba(0,53,128,.05); }
.data-table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--sombra); }

/* ====== LINK GRID ====== */
.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.link-card {
  background: var(--blanco);
  border: 1.5px solid var(--gris-medio);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
  text-decoration: none;
  color: var(--azul-oscuro);
  font-weight: 600;
  font-size: .9rem;
  transition: var(--trans);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
}
.link-card .lc-icon { font-size: 1.8rem; }
.link-card:hover {
  background: var(--azul);
  color: var(--blanco);
  border-color: var(--azul);
  transform: translateY(-3px);
  box-shadow: var(--sombra);
}

/* ====== FOOTER ====== */
footer {
  background: var(--negro);
  color: rgba(255,255,255,.7);
  padding: 3.5rem 1.5rem 1.5rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 1.75rem;
}
.footer-brand .nav-logo { color: var(--blanco); margin-bottom: 1rem; display: inline-flex; }
.footer-brand p { font-size: .85rem; line-height: 1.7; max-width: 280px; }
.footer-col h4 {
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 700;
  color: var(--blanco);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: .5rem; }
.footer-col ul a {
  color: rgba(255,255,255,.6);
  text-decoration: none;
  font-size: .85rem;
  transition: var(--trans);
}
.footer-col ul a:hover { color: var(--amarillo); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .8rem;
}
.footer-bottom a { color: rgba(255,255,255,.5); text-decoration: none; }
.disclaimer {
  background: rgba(255,255,255,.05);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-size: .78rem;
  color: rgba(255,255,255,.45);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* ====== PAGE HERO (inner pages) ====== */
.page-hero {
  background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul) 100%);
  color: var(--blanco);
  padding: 4rem 1.5rem 3rem;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content:'';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero-inner { max-width: 1200px; margin: 0 auto; position: relative; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -.03em;
  margin: .75rem 0 .75rem;
  line-height: 1.1;
}
.page-hero h1 .accent { color: var(--amarillo); }
.page-hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.8);
  max-width: 600px;
  margin-bottom: 1.5rem;
}

/* ====== SALDO TOOL ====== */
.saldo-tool-wrap {
  background: var(--blanco);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--sombra-lg);
  max-width: 560px;
  margin: 2rem auto 0;
}
.saldo-tool-wrap h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--azul-oscuro);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.input-group {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-bottom: 1rem;
}
.input-group label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--azul-oscuro);
}
.input-group input, .input-group select {
  padding: .85rem 1rem;
  border: 2px solid var(--gris-medio);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .95rem;
  outline: none;
  transition: var(--trans);
  background: var(--blanco);
}
.input-group input:focus, .input-group select:focus { border-color: var(--azul); }
.result-card {
  background: var(--gris-suave);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  margin-top: 1.25rem;
  display: none;
}
.result-card.show { display: block; }
.result-amount {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--azul);
  line-height: 1;
}
.result-currency { font-size: 1.2rem; vertical-align: super; }
.result-meta { font-size: .82rem; color: var(--gris-texto); margin-top: .5rem; }

/* ====== RUTAS ====== */
.rutas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}
.ruta-card {
  background: var(--blanco);
  border: 1px solid var(--gris-medio);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--trans);
}
.ruta-card:hover { box-shadow: var(--sombra); transform: translateY(-2px); }
.ruta-header {
  background: var(--azul);
  color: var(--blanco);
  padding: .85rem 1.25rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.ruta-num {
  background: var(--amarillo);
  color: var(--azul-oscuro);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ruta-name { font-weight: 700; font-size: .95rem; }
.ruta-desc { font-size: .78rem; color: rgba(255,255,255,.7); margin-top: .15rem; }
.ruta-body { padding: 1rem 1.25rem; }
.ruta-stop {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .85rem;
  color: var(--gris-texto);
  padding: .35rem 0;
}
.ruta-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--azul);
  flex-shrink: 0;
  margin-top: .35rem;
}
.ruta-stop.terminal .ruta-dot { background: var(--rojo); }

/* ====== MOBILE ====== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .hero-stats { display: none; }
  .feature-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--azul-oscuro); padding: 1rem; gap: .25rem; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-secondary { justify-content: center; }
  .cards-grid { grid-template-columns: 1fr; }
}

/* ====== ANIMATIONS ====== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp .6s ease both; }
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }
.delay-4 { animation-delay: .4s; }

/* ====== LOADING SPINNER ====== */
.spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--gris-medio);
  border-top-color: var(--azul);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 1rem auto;
  display: none;
}
.spinner.show { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== TWO COL LAYOUT ===== */
.two-col { display: grid; grid-template-columns: 2fr 1fr; gap: 2.5rem; align-items: start; }
.sidebar { display: flex; flex-direction: column; gap: 1.25rem; }
.sidebar-card {
  background: var(--gris-suave);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.sidebar-card h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--azul-oscuro);
  margin-bottom: 1rem;
}
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
}