/* ==========================================================================
   SaldoBip — Ultra-Premium Glassmorphism Design
   ========================================================================== */

:root {
  /* Bip Brand Colors */
  --bip-red: #E3000F;
  --bip-blue: #00AEEF; /* Classic Bip Light Blue */
  --bip-blue-dark: #005A9E; /* Classic Bip Dark Blue */
  --bip-purple: #662D91;

  /* Theme Primary (Now Blue) */
  --theme-primary: var(--bip-blue);
  --theme-primary-dark: var(--bip-blue-dark);

  /* Neutrals & Accessibility */
  --bg-body: #F8FAFC;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --border-color: rgba(255, 255, 255, 0.6);
  
  /* Sizing & Spacing (Solid, Robust App) */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-xl: 12px;
  --radius-lg: 8px;
  --radius-md: 6px;
  
  /* Premium Shadows */
  --shadow-glass: 0 25px 50px -12px rgba(0, 0, 0, 0.08);
  --shadow-float: 0 30px 60px -15px rgba(227, 0, 15, 0.15);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 18px; scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}
a { text-decoration: none; color: var(--bip-blue); transition: all 0.3s ease; }
ul { list-style: none; }
.container { width: 100%; max-width: 1000px; margin: 0 auto; padding: 0 1.5rem; position: relative; z-index: 10; }

/* ── Ambient Mesh Background (Static) ── */
.mesh-bg { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; overflow: hidden; z-index: -1; pointer-events: none; }
.mesh-blob { position: absolute; filter: blur(90px); border-radius: 50%; opacity: 0.6; }
.mesh-red { top: -10%; right: -5%; width: 50vw; height: 50vw; background: rgba(0, 174, 239, 0.15); animation-delay: 0s; }
.mesh-blue { bottom: -10%; left: -10%; width: 60vw; height: 60vw; background: rgba(0, 90, 158, 0.12); animation-delay: -5s; }
.mesh-purple { top: 40%; left: 30%; width: 40vw; height: 40vw; background: rgba(148, 163, 184, 0.15); animation-delay: -10s; }

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-5%, 10%) scale(1.1); }
  100% { transform: translate(5%, -5%) scale(0.9); }
}

/* ── Header ── */
.site-header {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: sticky;
  top: 0; z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 1.2rem 1.5rem; width: 100%; box-sizing: border-box; }
.logo { display: flex; align-items: center; gap: 0.8rem; font-size: 1.5rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.5px; text-decoration: none; }
.logo-icon {
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  color: white; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  border-radius: 8px; font-style: italic; font-size: 1.3rem; box-shadow: 0 4px 10px rgba(0, 174, 239, 0.2);
}
.mobile-menu-btn { display: none; background: none; border: none; color: var(--text-primary); cursor: pointer; padding: 0.5rem; margin-left: auto; }
.header-nav { display: flex; gap: 2.5rem; align-items: center; }
.header-nav a { color: var(--text-secondary); font-weight: 600; font-size: 1.05rem; }
.header-nav a:hover { color: var(--theme-primary); }

/* ── Hero Section ── */
.hero { padding: 2.5rem 0 3rem; text-align: center; position: relative; }
.hero h1 {
  font-size: 2.6rem; font-weight: 900; color: var(--text-primary);
  margin-bottom: 0.5rem; line-height: 1.1; letter-spacing: -1.5px;
  background: linear-gradient(135deg, #0F172A 0%, #334155 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle { font-size: 1.15rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto 2.5rem; font-weight: 500; }

/* ── App Widget Search Card ── */
.search-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0,0,0,0.03);
  max-width: 800px;

  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.search-card::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 6px;
  background: linear-gradient(90deg, var(--bip-blue-dark), var(--bip-blue), #60A5FA);
}

.search-label { display: block; font-size: 1.15rem; font-weight: 700; color: var(--text-primary); margin-bottom: 1.2rem; text-align: left; }
.search-input-group { display: flex; align-items: stretch; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.input-wrapper { position: relative; flex: 1 1 auto; min-width: 250px; display: flex; box-sizing: border-box; }

.search-input {
  flex: 1; padding: 1.2rem 3.5rem 1.2rem 1.5rem; font-size: 1.5rem; font-weight: 700; font-family: var(--font-main);
  color: var(--text-primary); border: 2px solid transparent; border-radius: var(--radius-lg);
  background: #F1F5F9; /* Native app grey input background */
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); letter-spacing: 2px;
}
.search-input::placeholder { color: #94A3B8; font-weight: 500; letter-spacing: normal; }
.search-input:focus { outline: none; border-color: var(--theme-primary); background: #FFFFFF; box-shadow: 0 0 0 4px rgba(0, 174, 239, 0.15); transform: translateY(-2px); }

.clear-input-btn {
  position: absolute; right: 1rem; top: 50%; transform: translateY(-50%); background: #CBD5E1; color: white;
  border: none; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.2s; padding: 0;
}
.clear-input-btn:hover { background: #94A3B8; }

.search-btn {
  flex: 1 1 auto;
  background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%);
  color: white; border: none; padding: 1.2rem 2.5rem; border-radius: var(--radius-lg);
  font-size: 1.2rem; font-weight: 800; cursor: pointer; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex; align-items: center; justify-content: center; min-width: 180px;
  box-shadow: 0 10px 20px rgba(0, 174, 239, 0.25); position: relative; overflow: hidden;
}
.search-btn::after {
  content: ""; position: absolute; top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease;
}
.search-btn:hover { box-shadow: 0 15px 30px rgba(0, 174, 239, 0.35); }
.search-btn:hover::after { left: 150%; }

.search-hint { font-size: 1rem; color: var(--text-secondary); }

/* ── Smart Features UI ── */
.recent-cards-container { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.2rem; align-items: center; }
.recent-cards-label { font-size: 0.85rem; font-weight: 700; color: #94A3B8; text-transform: uppercase; letter-spacing: 0.5px; margin-right: 0.5rem; }
.recent-card-btn {
  background: #F8FAFC; border: 1px solid #E2E8F0; border-radius: 50px; padding: 0.4rem 1rem; color: var(--theme-primary);
  font-size: 0.9rem; font-weight: 800; cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; gap: 0.4rem;
}
.recent-card-btn:hover { background: #EFF6FF; border-color: #BFDBFE; transform: translateY(-1px); box-shadow: 0 4px 6px rgba(0,0,0,0.02); }

.btn-geo {
  display: flex; align-items: center; justify-content: center; gap: 0.6rem; width: 100%; margin-top: 1rem;
  background: #EFF6FF; color: #2563EB; border: 1px solid #BFDBFE; padding: 1.2rem; border-radius: var(--radius-lg);
  font-size: 1.1rem; font-weight: 800; text-decoration: none; transition: all 0.2s ease; cursor: pointer;
}
.btn-geo:hover { background: #DBEAFE; border-color: #93C5FD; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1); }


/* ── Quick Links (Compact App Style) ── */
.quick-links-container { margin: 2.5rem auto 0; max-width: 800px; }
.quick-links-title { font-size: 1rem; font-weight: 800; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; }
.quick-links { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.ql-card {
  background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.9); border-radius: var(--radius-md); padding: 0.8rem 1.5rem;
  display: flex; align-items: center; gap: 0.8rem; text-decoration: none; color: var(--text-primary);
  font-weight: 700; font-size: 0.95rem; box-shadow: 0 4px 12px rgba(0,0,0,0.04); transition: all 0.2s ease;
}
.ql-card:hover { box-shadow: 0 8px 16px rgba(0,0,0,0.08); background: white; }
.ql-icon { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.ql-icon svg { width: 16px; height: 16px; }

/* ── Result Animation ── */
.result-container { display: none; margin-top: 3rem; animation: slideUpFade 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.result-container.active { display: block; }

@keyframes slideUpFade {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-card {
  font-size: 5rem; font-weight: 900; color: var(--text-primary); line-height: 1; margin-top: 0.5rem; letter-spacing: -2px;
  text-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.result-details { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; margin-bottom: 1.5rem; }
.detail-item { background: rgba(255,255,255,0.6); padding: 1rem; border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.8); }
.detail-label { font-size: 0.85rem; color: var(--text-secondary); text-transform: uppercase; font-weight: 800; letter-spacing: 1px; margin-bottom: 0.3rem; }
.detail-value { font-size: 1.1rem; font-weight: 800; color: var(--text-primary); word-break: break-word; }

.btn-secondary {
  background: white; color: var(--text-primary); border: 1px solid #E2E8F0; padding: 1.2rem 2.5rem;
  border-radius: var(--radius-lg); font-size: 1.1rem; font-weight: 800; cursor: pointer; transition: all 0.3s;
  box-shadow: 0 4px 6px rgba(0,0,0,0.02); display: inline-flex; align-items: center; justify-content: center;
}
.btn-secondary:hover { background: #F8FAFC; box-shadow: 0 8px 15px rgba(0,0,0,0.05); }

/* ── Loading Status ── */
#loading-status {
  margin: 2.5rem auto 0; font-size: 1.2rem; font-weight: 700; color: var(--bip-blue);
  background: rgba(255,255,255,0.8); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,1);
  padding: 1.2rem 2.5rem; border-radius: 50px; align-items: center; justify-content: center; gap: 1rem;
  box-shadow: 0 10px 25px rgba(0, 75, 135, 0.1);
}
#loading-status::before {
  content: ""; display: block; width: 24px; height: 24px; border: 3px solid rgba(0, 75, 135, 0.2);
  border-top-color: var(--bip-blue); border-radius: 50%; animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Metro Status Widget ── */
.metro-status-card { max-width: 800px; margin: 2rem auto 0; background: white; border-radius: var(--radius-xl); box-shadow: 0 4px 20px rgba(0,0,0,0.04); overflow: hidden; border: 1px solid rgba(0,0,0,0.05); }
.metro-header { background: #0F172A; color: white; padding: 1.2rem 1.5rem; display: flex; justify-content: space-between; align-items: center; border-bottom: 4px solid var(--theme-primary); }
.metro-title { display: flex; align-items: center; gap: 0.8rem; font-weight: 700; font-size: 1.1rem; letter-spacing: 0.5px; }
.metro-pulse { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; font-weight: 600; background: rgba(255,255,255,0.1); padding: 0.3rem 0.8rem; border-radius: 50px; }
.pulse-dot { width: 8px; height: 8px; background: #10B981; border-radius: 50%; display: inline-block; animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); } 70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); } 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); } }

.metro-dashboard-split { display: flex; flex-direction: column; }
@media (min-width: 768px) {
    .metro-dashboard-split { flex-direction: row; }
    .metro-dashboard-split .metro-lines-grid { flex: 1; border-right: 1px solid #E2E8F0; }
    .metro-dashboard-split .metro-contingencia { width: 350px; flex-shrink: 0; }
}

.metro-lines-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; padding: 1.5rem; background: #F8FAFC; }
.metro-line-item { position: relative; background: white; border: 1px solid #E2E8F0; border-radius: var(--radius-md); padding: 1rem; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 0.5rem; transition: transform 0.2s; }
.metro-line-item:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.03); border-color: #CBD5E1; }
.metro-line-badge { color: white; font-weight: 900; font-size: 1.2rem; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 50%; font-style: italic; letter-spacing: -1px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
.metro-line-name { font-size: 0.85rem; color: var(--text-secondary); font-weight: 600; margin-top: 0.2rem; }
.metro-line-status { font-size: 0.85rem; font-weight: 700; margin-top: auto; display: flex; align-items: center; gap: 0.3rem; }

/* Tooltip Contingencia */
.has-issue { cursor: help; border-color: #FCA5A5; }
.line-tooltip { position: absolute; bottom: 110%; left: 50%; transform: translateX(-50%) translateY(10px); background: #1E293B; color: white; padding: 1rem; border-radius: var(--radius-md); font-size: 0.85rem; font-weight: 400; width: max-content; max-width: 280px; text-align: left; opacity: 0; visibility: hidden; transition: all 0.2s; z-index: 100; box-shadow: 0 10px 25px rgba(0,0,0,0.2); pointer-events: none; }
.line-tooltip::after { content: ""; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); border-width: 6px; border-style: solid; border-color: #1E293B transparent transparent transparent; }
.metro-line-item.has-issue:hover .line-tooltip { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* Contingencia Panel */
.metro-contingencia { background: #E2E8F0; padding: 1.5rem; }
.contingencia-title { font-size: 1.2rem; color: #334155; font-weight: 800; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; letter-spacing: -0.3px; }
.contingencia-title::before { content: "⚠️"; }
.contingencia-card { background: white; padding: 1rem; border-radius: var(--radius-md); border-left: 4px solid #DC2626; box-shadow: 0 2px 4px rgba(0,0,0,0.05); margin-bottom: 1rem; }
.contingencia-badge { display: inline-flex; align-items: center; justify-content: center; background: #00966C; color: white; font-weight: bold; width: 24px; height: 24px; border-radius: 50%; font-size: 0.85rem; margin-right: 0.4rem; }
.contingencia-text { font-size: 0.9rem; color: #1E293B; font-weight: 600; margin-bottom: 0.5rem; line-height: 1.4; }
.contingencia-list { margin: 0; padding-left: 1.2rem; font-size: 0.85rem; color: #475569; }
.contingencia-list li { margin-bottom: 0.3rem; }

/* ── Content Sections ── */
.section { padding: 2.5rem 0; position: relative; z-index: 10; }
.section-title { font-size: 2.5rem; font-weight: 900; text-align: center; margin-bottom: 0.5rem; letter-spacing: -1px; }
.section-subtitle { text-align: center; color: var(--text-secondary); font-size: 1.15rem; max-width: 600px; margin: 0 auto 2.5rem; }

/* ── Minimalist Cards (Tipos) ── */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }

/* ── Minimalist Steps (Cómo Funciona) ── */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.step-card {
  background: rgba(255,255,255,0.6); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl); padding: 3rem 2rem; color: var(--text-primary); text-align: center;
  box-shadow: var(--shadow-glass); border: 1px solid rgba(255,255,255,0.8); transition: all 0.4s ease;
}
.step-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.step-number {
  background: var(--theme-primary); color: white; width: 50px; height: 50px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 900;
  margin: 0 auto 1.5rem; box-shadow: 0 4px 15px rgba(0, 174, 239, 0.3);
}
.step-card h3 { font-size: 1.4rem; font-weight: 900; margin-bottom: 1rem; }
.step-card p { font-size: 1.05rem; color: var(--text-secondary); }

.card-type {
  background: rgba(255,255,255,0.6); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl); padding: 3rem 2rem; color: var(--text-primary); text-align: center;
  box-shadow: var(--shadow-glass); border: 1px solid rgba(255,255,255,0.8); transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.card-type:hover { transform: translateY(-10px); box-shadow: 0 30px 60px -10px rgba(0,0,0,0.1); }
.card-icon-wrapper { width: 70px; height: 70px; border-radius: 20px; display: flex; align-items: center; justify-content: center; margin: 0 auto 2rem; }
.card-red .card-icon-wrapper { background: linear-gradient(135deg, rgba(227,0,15,0.1), rgba(227,0,15,0.2)); color: var(--bip-red); }
.card-blue .card-icon-wrapper { background: linear-gradient(135deg, rgba(0,75,135,0.1), rgba(0,75,135,0.2)); color: var(--bip-blue); }
.card-purple .card-icon-wrapper { background: linear-gradient(135deg, rgba(102,45,145,0.1), rgba(102,45,145,0.2)); color: var(--bip-purple); }
.card-type h3 { font-size: 1.5rem; font-weight: 900; margin-bottom: 1rem; }
.card-type p { font-size: 1.1rem; color: var(--text-secondary); }

/* ── Content & Text ── */
.content-text {
  width: 100%;
  margin: 0 auto;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(20px);
  padding: 3rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glass);
  border: 1px solid rgba(255,255,255,0.8);
}
.content-text h2 { font-size: 1.8rem; font-weight: 800; margin: 2rem 0 1rem; color: var(--text-primary); }
.content-text p, .content-text ul { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 1.5rem; line-height: 1.8; }
.content-text li { margin-bottom: 0.8rem; position: relative; padding-left: 1.5rem; }
.content-text li::before { content: "•"; color: var(--theme-primary); font-weight: bold; position: absolute; left: 0; }

/* ── FAQ Accordion ── */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
  background: rgba(255,255,255,0.7); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.8); border-radius: var(--radius-md);
  overflow: hidden; transition: all 0.3s; box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}
.faq-item:hover { box-shadow: 0 8px 25px rgba(0,0,0,0.05); }
.faq-question {
  width: 100%; text-align: left; padding: 1.5rem; background: none; border: none;
  font-size: 1.15rem; font-weight: 700; color: var(--text-primary); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-arrow { font-size: 0.9rem; transition: transform 0.3s; color: var(--theme-primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; background: rgba(255,255,255,0.4); }
.faq-answer p { padding: 0 1.5rem 1.5rem; color: var(--text-secondary); font-size: 1.05rem; line-height: 1.7; }
.faq-item.open .faq-answer { max-height: 500px; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }

/* ── Footer ── */
.site-footer { background: #0B1120; color: #94A3B8; padding: 5rem 0 3rem; position: relative; z-index: 10; border-top: 1px solid #1E293B; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 4rem; margin-bottom: 4rem; }
.footer-brand .logo-footer { color: white; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.8rem; font-size: 1.5rem; }
.footer-brand .logo-icon { background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-primary-dark) 100%); color: white; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; border-radius: 8px; font-style: italic; font-size: 1.3rem; box-shadow: 0 4px 10px rgba(0, 174, 239, 0.2); }
.footer-tagline { font-size: 1.05rem; line-height: 1.6; max-width: 350px; color: #64748B; margin-top: 1rem; }
.footer-links h4 { color: white; font-size: 1.1rem; font-weight: 700; margin-bottom: 1.5rem; letter-spacing: 0.5px; }
.footer-links ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.8rem; margin: 0; }
.footer-links a { color: #94A3B8; font-size: 1rem; text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--theme-primary); }

.footer-bottom { border-top: 1px solid #1E293B; padding-top: 3rem; display: flex; flex-direction: column; gap: 2rem; }
.footer-disclaimer { font-size: 0.85rem; line-height: 1.6; color: #475569; text-align: justify; margin: 0; }
.footer-disclaimer strong { color: #64748B; }
.footer-copyright { display: flex; justify-content: space-between; align-items: center; font-size: 0.95rem; color: #64748B; flex-wrap: wrap; gap: 1rem; }
.footer-copyright p { margin: 0; }

/* ── Loader ── */
.btn-spinner { display: none; width: 22px; height: 22px; border: 3px solid rgba(255,255,255,0.3); border-top-color: white; border-radius: 50%; animation: spin 1s linear infinite; }
.search-btn.loading .btn-text { display: none !important; }
.search-btn.loading .btn-spinner { display: block; margin: 0 auto; }

/* ── Responsive & Micro-Screens (320px) ── */
@media (max-width: 768px) {
  html { font-size: 15px; }
  .mobile-menu-btn { display: flex; align-items: center; justify-content: center; }
  .header-inner nav { width: 0; }
  .header-nav { display: none; position: absolute; top: 100%; left: 0; width: 100vw; background: rgba(255,255,255,0.98); flex-direction: column; padding: 1.5rem; gap: 1.5rem; text-align: center; border-bottom: 1px solid rgba(0,0,0,0.05); box-shadow: 0 10px 20px rgba(0,0,0,0.05); z-index: 100; }
  .header-nav.active { display: flex; }
  .header { position: relative; }
  .hero { padding: 1.5rem 0; }
  .hero h1 { font-size: 2.2rem; letter-spacing: -1px; }
  .search-card { padding: 1.8rem; border-radius: var(--radius-md); }
  .search-input-group { flex-direction: column; gap: 1rem; }
  .input-wrapper { min-width: 100%; }
  .search-input { flex: 0 0 auto; width: 100%; max-width: 100%; box-sizing: border-box; padding: 1rem 3.5rem 1rem 1.2rem; font-size: 1.2rem; }
  .search-btn { flex: 0 0 auto; width: 100%; padding: 1.2rem; }
  .cards-grid, .steps-grid, .result-details { grid-template-columns: 1fr; gap: 1.2rem; }
  .quick-links { flex-direction: column; width: 100%; align-items: stretch; }
  .ql-card { justify-content: flex-start; padding: 1rem; }
  .result-card { padding: 1.5rem; }
  .balance-amount { font-size: 3.5rem; }
}

@media (max-width: 480px) {
  .header-inner { padding: 1rem 1rem; }
  .logo { font-size: 1.3rem; gap: 0.6rem; }
  .logo-icon { width: 30px; height: 30px; font-size: 1.1rem; border-radius: 6px; }
  .hero h1 { font-size: 1.9rem; margin-bottom: 0.4rem; }
  .hero-subtitle { font-size: 1.05rem; margin-bottom: 1.5rem; }
  .search-card { padding: 1.5rem; border-radius: var(--radius-xl); }
  .search-input { font-size: 1.1rem; padding: 0.9rem 3.5rem 0.9rem 1rem; border-radius: var(--radius-md); letter-spacing: 1px; }
  .search-label { font-size: 1rem; margin-bottom: 0.8rem; }
  .logo { font-size: 1.3rem; }
  .balance-amount { font-size: 2.8rem; }
  .result-title { font-size: 1.2rem; }
  .section-title { font-size: 1.8rem; }
  .section { padding: 2rem 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-brand .logo-footer { justify-content: flex-start; }
}