/* --- BILLING SPECIFIC STYLES --- */

/* ===================================================================
   DARK-MODE VARIABLES & SEMANTIC CLASSES
   Replaces Tailwind color/dark-mode utilities so theming works
   via body.dark-theme + CSS custom properties.
   =================================================================== */

.billing-page {
  /* Semantic text colors — light mode */
  --c-heading:     #1e293b; /* slate-800 */
  --c-body:        #334155; /* slate-700 */
  --c-secondary:   #64748b; /* slate-500 */
  --c-muted:       #94a3b8; /* slate-400 */
  --c-faint:       #cbd5e1; /* slate-300 */

  /* Backgrounds */
  --c-subtle-bg:   #f8fafc; /* slate-50  */
  --c-subtle-bg-2: #f1f5f9; /* slate-100 */

  /* Borders */
  --c-border:       #e2e8f0; /* slate-200 */
  --c-border-light: #f1f5f9; /* slate-100 */

  /* Accent colors */
  --c-cyan:    #0891b2;
  --c-emerald: #059669;
  --c-amber:   #d97706;
  --c-blue:    #2563eb;
  --c-rose:    #e11d48;

  /* Misc */
  --c-card-shadow: rgba(0, 0, 0, 0.06);
}

body.dark-theme .billing-page {
  --c-heading:     #f1f5f9;
  --c-body:        #cbd5e1;
  --c-secondary:   #94a3b8;
  --c-muted:       #64748b;
  --c-faint:       #475569;

  --c-subtle-bg:   rgba(2, 6, 23, 0.8);
  --c-subtle-bg-2: rgba(15, 23, 42, 0.8);

  --c-border:       rgba(30, 41, 59, 0.85);
  --c-border-light: rgba(30, 41, 59, 0.6);

  --c-cyan:    #22d3ee;
  --c-emerald: #34d399;
  --c-amber:   #fbbf24;
  --c-blue:    #60a5fa;
  --c-rose:    #fb7185;

  --c-card-shadow: rgba(0, 0, 0, 0.35);
}

/* ---------- Color Utility Classes ---------- */

/* ---------- Dashboard Component Classes ---------- */

/* Search bar */
.dash-search {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--c-secondary);
}
.dash-search input {
  color: var(--c-body);
  background: transparent;
}
.dash-search input::placeholder {
  color: var(--c-muted);
}

/* Header separator (dots row) */
.dash-header-bar {
  border-bottom: 1px solid var(--c-border);
}

/* Tab navigation container */
.dash-tabs {
  border-bottom: 1px solid var(--c-border);
}

/* Active tab button */
.dash-tab-active {
  background-color: rgba(8, 145, 178, 0.08);
  color: var(--c-cyan);
  border: 1px solid rgba(8, 145, 178, 0.2);
}
body.dark-theme .dash-tab-active {
  background-color: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.2);
}

/* Inactive tab button */
.dash-tab-inactive {
  color: var(--c-secondary);
  border: 1px solid transparent;
}
.dash-tab-inactive:hover {
  color: var(--c-heading);
}
body.dark-theme .dash-tab-inactive:hover {
  background-color: rgba(30, 41, 59, 0.3);
}

/* Metric card */
.dash-metric {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

/* Pill / label */
.dash-label {
  background-color: var(--glass-bg);
  color: var(--secondary-text);
  border: 1px solid var(--glass-border);
}
body.dark-theme .dash-label {
  background-color:var(--glass-bg);
  border-color: var(--glass-border);
}

/* Table wrapper */
.dash-table-wrap {
  border: 1px solid var(--glass-border);
  background-color: var(--bg-color);
}
body.dark-theme .dash-table-wrap {
  background-color: var(--glass-bg);
}

/* Table header row */
.dash-thead-row {
  border-bottom: 1px solid var(--glass-border);
  background-color: var(--glass-bg);
  color: var(--secondary-text);
}
body.dark-theme .dash-thead-row {
  background-color: var(--glass-bg);
}

/* Table body */
.dash-tbody {
  color: var(--accent-cyan);
}
.dash-tbody > tr + tr {
  border-top: 1px solid var(--c-border-light);
}

/* Table row hover */
.dash-row:hover {
  background-color: var(--c-subtle-bg);
}
body.dark-theme .dash-row:hover {
  background-color: rgba(15, 23, 42, 0.3);
}

/* Status badges */
.dash-badge-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--c-emerald);
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.dash-badge-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--c-amber);
  border: 1px solid rgba(245, 158, 11, 0.2);
}
.dash-badge-info {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--c-blue);
  border: 1px solid rgba(59, 130, 246, 0.2);
}
.dash-badge-danger {
  background-color: rgba(244, 63, 94, 0.1);
  color: var(--c-rose);
  border: 1px solid rgba(244, 63, 94, 0.2);
}

/* ---------- Flow Steps (Cómo Funciona) ---------- */
.billing-page .flow-step-card {
  background-color: var(--panel-bg);
  border: 1px solid var(--c-border-light);
  box-shadow: 0 4px 16px var(--c-card-shadow);
}
.billing-page .flow-step-card h3 {
  color: var(--primary-text);
}
.billing-page .flow-step-card p {
  color: var(--text-secondary);
}
.billing-page .flow-arrow svg {
  color: var(--accent-amber);
}

/* ---------- Benefit Section ---------- */
.billing-page .benefit-section h2,
.billing-page .benefit-section h3 {
  color: var(--primary-text);
}
.billing-page .benefit-section p {
  color: var(--text-secondary);
}
.billing-page .benefit-section h4 {
  color: var(--primary-text);
}
.billing-page .benefit-heading-border {
  border-bottom: 1px solid var(--glass-border);
}

/* Use-case cards */
.billing-page .use-case-card {
  border: 1px solid var(--glass-border);
  background-color: var(--glass-bg);
}
.billing-page .use-case-card h4 {
  color: var(--primary-text);
}
.billing-page .use-case-card p {
  color: var(--text-secondary);
}

/* ---------- Comparison Section ---------- */
.billing-page .comparison-section h2 {
  color: var(--primary-text);
}
.billing-page .comparison-before {
  background-color: var(--c-subtle-bg);
}
body.dark-theme .billing-page .comparison-before {
  background-color: var(--c-subtle-bg-2);
}
.billing-page .comparison-before h3 {
  color: var(--primary-text);
}
.billing-page .comparison-before li {
  color: var(--c-secondary);
}

/* Final statement below comparison */
.billing-page .comparison-section .final-text {
  color: var(--c-body);
  border: 1px solid var(--c-border-light);
}
.billing-page .comparison-section .final-text-sub {
  color: var(--c-secondary);
}

/* Differentiators text overrides for Tailwind-sourced text */
.billing-page .diff-card.full-width .tw-heading {
  color: var(--c-heading);
}
.billing-page .diff-card.full-width .tw-body {
  color: var(--c-secondary);
}
.billing-page .diff-card.full-width .tw-list-text {
  color: var(--c-body);
}

/* Dashboard Mockup Container */
.dashboard-mockup {
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--panel-shadow-soft);
    overflow: hidden;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    display: flex;
    flex-direction: column;
    width: 100%;
    margin-top: 2rem;
}

/* Header */
.dashboard-header {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: var(--panel-bg);
    border-bottom: 1px solid var(--glass-border);
}

.window-dots {
    display: flex;
    gap: 8px;
    margin-right: 1.5rem;
}

.window-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.window-dots .red { background-color: var(--accent-red); }
.window-dots .yellow { background-color: var(--accent-amber); }
.window-dots .green { background-color: var(--accent-green); }

.dashboard-search {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    width: 300px;
    border: 1px solid var(--glass-border);
}

/* Tabs */
.dashboard-tabs {
    display: flex;
    border-bottom: 1px solid var(--glass-border);
    background-color: var(--panel-bg);
    padding: 0 1rem;
}

.tab-btn {
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--accent-cyan);
    border-bottom-color: var(--accent-cyan);
    background-color: rgba(3, 105, 161, 0.06);
}

/* Tab Content */
.dashboard-body {
    position: relative;
    padding: 1.5rem;
    background-color: var(--bg-color);
    min-height: 560px;
    height: 640px;
    overflow: hidden;
}

.tab-content {
    position: absolute;
    inset: 0;
    display: none;
    opacity: 0;
    animation: fadeIn 0.25s ease forwards;
    overflow-y: auto;
    overflow-x: auto;
    padding-right: 0.5rem;
    padding-left: 0.25rem;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    grid-auto-rows: minmax(180px, auto);
    align-items: start;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.metric-card {
    min-height: 170px;
    flex: 1 1 auto;
    justify-content: space-between;
    background: var(--panel-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-4px);
    background: var(--glass-bg);
    border-color: var(--glass-border);
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.icon-cyan { color: var(--accent-cyan); }
.icon-emerald { color: var(--accent-green, #10b981); }
.icon-amber { color: var(--accent-amber); }
.icon-indigo { color: var(--accent-indigo); }

.metric-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.metric-value .unit {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.metric-trend {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    width: fit-content;
}

.metric-trend.green {
    color: var(--accent-cyan);
    background-color: rgba(255,255,255,0.02);
}

.metric-trend.red {
    color: var(--accent-red, #ef4444);
    background-color: rgba(255,255,255,0.02);
}

/* Glass Card Generic */
.glass-card {
    background: var(--bg-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
}

.glass-card:hover {
    border-color: var(--glass-border-focus);
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    margin-top: 1rem;
}

.dashboard-table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
    background: var(--bg-color);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: inset 0 0 0 1px var(--glass-border);
}

.dashboard-table th,
.dashboard-table td {
    padding: 1rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.95rem;
    vertical-align: middle;
}

.dashboard-table thead th {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: var(--bg-color);
}

.dashboard-table tbody tr:hover {
    background: var(--bg-color);
}

.dashboard-table tbody tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
}

.badge-success {
    color: var(--accent-cyan);
    background-color: rgba(16, 185, 129, 0.12);
}

.badge-warning {
    color: var(--accent-amber);
    background-color: rgba(245, 158, 11, 0.12);
}

.badge-info {
    color: var(--accent-indigo);
    background-color: rgba(59, 130, 246, 0.12);
}

/* Billing Grid (from V-Final) */
.billing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Billing page hero redesign */
.billing-page .hero-section {
    min-height: 100vh;
    padding: 10rem 0 4rem;
}

.billing-page .hero-container {
    display: grid;
    grid-template-columns: minmax(320px, 0.85fr) minmax(360px, 1.15fr);
    align-items: start;
    gap: 3rem;
}

.billing-page .hero-content {
    color: var(--text-white);
    position: relative;
    z-index: 1;
}

.billing-page .hero-title {
    font-size: clamp(2.8rem, 5vw, 4.2rem);
    color: var(--text-primary);
    line-height: 1.05;
    margin-bottom: 1.25rem;
}

.billing-page .hero-subtitle {
    color: var(--text-primary);
    max-width: 42rem;
    margin-bottom: 1.5rem;
}

.billing-page .hero-supporting-text {
    color: var(--text-secondary);
    max-width: 42rem;
    margin-bottom: 2rem;
}

.billing-page .hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.billing-page .hero-ctas .btn {
    min-width: 180px;
}

.billing-page .hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.billing-page .dashboard-mockup {
    width: 100%;
    max-width: 780px;
    background: linear-gradient(180deg, rgba(8, 18, 34, 0.98), rgba(15, 23, 42, 0.95));
    border: 1px solid var(--glass-border);
    box-shadow: 0 32px 70px rgba(0, 0, 0, 0.35);
    overflow: hidden;
}

.billing-page .dashboard-header {
    background-color: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid var(--glass-border);
}

.billing-page .dashboard-body {
    padding: 1.5rem;
    background: var(--bg-color);
    color: var(--primary-text);
}

.billing-page .dashboard-body h3 {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.4;
}

.billing-page .tab-header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.billing-page .pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.billing-page .pill.bg-blue {
    background: var(--bg-color);
    color: var(--text-primary);
    border-color: var(--accent-cyan);
}

.billing-page .tab-btn {
    color: var(--text-secondary);
}

.billing-page .tab-btn:hover,
.billing-page .tab-btn.active {
    color: var(--text-primary);
}

.billing-page .dashboard-table th,
.billing-page .dashboard-table td {
    color: var(--text-primary);
}

.billing-page .dashboard-table thead th {
    color: var(--text-primary);
}

.billing-page .dashboard-table tbody tr:hover {
    color: var(--text-secondary);
}

.billing-page .dashboard-table {
    border: 1px solid var(--glass-border);
}

.billing-page .section-problem {
    padding: 6rem 0 4rem;
}

.billing-page .section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 3rem;
}

.billing-page .section-tagline {
    display: inline-flex;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 0.9rem;
}

.billing-page .section-title {
    font-size: clamp(2.4rem, 4vw, 3.4rem);
    line-height: 1.05;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.billing-page .section-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.9;
    max-width: 760px;
    margin: 0 auto;
}

.billing-page .features-grid {
    display: flex;
    gap: 1.4rem;
    width: max-content;
    margin-top: 2.5rem;
}

.billing-page .features-grid .problem-card {
    min-width: min(320px, 90vw);
    max-width: 320px;
    flex: 0 0 auto;
    scroll-snap-align: start;
}

.billing-page .problem-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1rem;
    background: var(--panel-bg);
    border: none;
    border-radius: 28px;
    padding: 2rem 1.75rem;
    min-height: 240px;
    overflow: hidden;
    box-shadow: var(--panel-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.billing-page .problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-indigo));
}

.billing-page .problem-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 90px rgba(15, 23, 42, 0.12);
}

.billing-page .problem-icon-wrapper {
    flex: 0 0 52px;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.08), rgba(16, 185, 129, 0.06));
    border-radius: 18px;
    color: var(--text-primary);
    border: 1px solid rgba(56, 189, 248, 0.12);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.billing-page .problem-card h3 {
    font-size: 1.1rem;
    line-height: 1.35;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

.billing-page .problem-card p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.8;
    font-size: 0.95rem;
    max-width: 38rem;
}

.billing-page .problem-quote-box {
    margin-top: 2.5rem;
    padding: 1.75rem 1.5rem;
    border-radius: 24px;
    background: var(--panel-bg);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.billing-page .quote-content {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.billing-page .quote-icon {
    width: 28px;
    height: 28px;
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.billing-page .problem-quote-box blockquote {
    margin: 0;
    color: var(--text-primary);
    line-height: 1.9;
    font-size: 1rem;
}

.billing-page .section-solution {
    padding: 7rem 0 5rem;
    background: var(--bg-color);
}

.billing-page .section-solution .container {
    display: grid;
    grid-template-columns: minmax(320px, 1.05fr) minmax(320px, 0.95fr);
    gap: 3rem;
    align-items: center;
}

.billing-page .section-solution .solution-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.billing-page .section-solution .section-tagline {
    color:var(--accent-cyan);
    letter-spacing: 0.22em;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
}

.billing-page .section-solution .section-title {
    font-size: clamp(2.4rem, 3.8vw, 3.5rem);
    line-height: 1.05;
    color: var(--text-primary);
    margin-bottom: 0;
}

.billing-page .section-solution .section-description {
    max-width: 38rem;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.9;
}

.billing-page .solution-bullets {
    display: grid;
    gap: 1rem;
}

.billing-page .solution-bullet-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.35rem 1.25rem;
    background: var(--panel-bg);
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 20px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.05);
}

.billing-page .solution-bullet-item h4 {
    margin: 0 0 0.35rem;
    font-size: 1rem;
    color: var(--text-primary);
}

.billing-page .solution-bullet-item p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

.billing-page .solution-bullet-item .bullet-icon {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    background: rgba(14, 165, 233, 0.12);
    border-radius: 14px;
    color: #0369a1;
    border: 1px solid rgba(14, 165, 233, 0.18);
}

.billing-page .solution-card-3d {
    background: linear-gradient(180deg, var(--panel-bg) 0%, var(--panel-bg) 100%);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 32px;
    padding: 2rem;
    box-shadow: 0 28px 70px rgba(15, 23, 42, 0.1);
    display: grid;
    gap: 1.75rem;
}

.billing-page .solution-card-header {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    border-radius: 999px;
    background: var(--panel-bg);
    color: var(--accent-cyan);
    font-weight: 600;
    font-size: 0.95rem;
}

.billing-page .interactive-diagram {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1rem;
    align-items: center;
}

.billing-page .diag-node {
    display: grid;
    gap: 0.8rem;
    padding: 1.35rem;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 22px;
    box-shadow: 0 18px 35px rgba(15, 23, 42, 0.06);
}

.billing-page .diag-node svg {
    color: #0f172a;
}

.billing-page .diag-node span {
    display: block;
    font-weight: 700;
    color: #0f172a;
}

.billing-page .diag-node small {
    color: #64748b;
    line-height: 1.6;
}

.billing-page .diag-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    justify-self: center;
}

.billing-page .arrow-line {
    display: block;
    width: 2px;
    height: 110px;
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.7), rgba(59, 130, 246, 0.15));
    border-radius: 999px;
}

.billing-page .arrow-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.85rem;
    border-radius: 999px;
    background: var(--accent-cyan);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 700;
}

.billing-page .solution-card-body {
    display: grid;
    gap: 1rem;
}

.billing-page .bullet-stat-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.billing-page .bullet-stat {
    padding: 1.1rem 1.2rem;
    border-radius: 20px;
    background: var(--panel-bg);
    border: 1px solid var(--accent-cyan);
}

.billing-page .stat-num {
    font-size: 2rem;
    line-height: 1;
    color: var(--text-primary);
    font-weight: 700;
    display: block;
}

.billing-page .stat-desc {
    margin-top: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.billing-page #como-funciona {
    background: var(--bg-color);
}

.billing-page .flow-steps {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    margin: 0 auto;
    margin-top: 2rem;
    padding-bottom: 0.75rem;
}

.billing-page .flow-steps > div:not(.flow-arrow) {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: 0 18px 36px var(--panel-shadow);
    padding: 1.4rem 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    text-align: center;
    min-width: 220px;
    flex: 0 0 220px;
}

.billing-page .flow-steps .flow-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
}

.billing-page .flow-steps .flow-arrow svg {
    width: 24px;
    height: 24px;
    color: #94a3b8;
    transition: transform 0.3s ease;
}

.billing-page .flow-steps .flow-arrow::before {
    content: '';
    display: none;
}

.billing-page .flow-steps .flow-arrow span {
    display: none;
}

.billing-page .flow-steps .flow-arrow {
    min-width: 48px;
}

.billing-page .flow-steps .flow-arrow svg {
    display: block;
}

.billing-page .flow-steps .bg-brand-light,
.billing-page .flow-steps .bg-brand-dark {
    box-shadow: none;
}

.billing-page .flow-steps .fa-solid {
    font-size: 1.25rem;
}

@media (max-width: 980px) {
    .billing-page .section-solution .container,
    .billing-page .solution-bullets,
    .billing-page .interactive-diagram {
        grid-template-columns: 1fr;
    }

    .billing-page .flow-steps {
        grid-auto-flow: row;
    }

    .billing-page .flow-steps .flow-arrow svg {
        transform: rotate(90deg);
    }

    .billing-page .solution-card-3d {
        padding: 1.5rem;
    }
}

@media (max-width: 640px) {
    .billing-page .section-solution {
        padding: 5rem 0 3rem;
    }

    .billing-page .solution-card-3d {
        box-shadow: 0 18px 35px var(--panel-shadow);
    }
}

@media (max-width: 960px) {
    .billing-page .hero-container {
        grid-template-columns: 1fr;
    }

    .billing-page .hero-section {
        padding-top: 8rem;
    }
}

@media (max-width: 640px) {
    .billing-page .hero-section {
        padding-top: 6rem;
    }

    .billing-page .hero-title {
        font-size: 2.6rem;
    }
}

.billing-page .section-differentiators {
    padding: 6rem 0;
    background: var(--bg-color);
}

.billing-page .section-differentiators .section-header {
    max-width: 760px;
    margin: 0 auto 3rem;
    text-align: center;
}

.billing-page .section-differentiators .section-title {
    color: var(--text-primary);
    font-size: clamp(2.4rem, 4vw, 3.4rem);
    line-height: 1.05;
    margin-bottom: 1rem;
}

.billing-page .section-differentiators .section-description {
    max-width: 680px;
    margin: 0 auto;
    color: var(--text-secondary);
    line-height: 1.9;
}

.billing-page .diff-grid {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    margin-top: 2rem;
}

.billing-page .diff-grid .diff-card {
    min-width: min(320px, 90vw);
    max-width: 320px;
    flex: 0 0 auto;
    scroll-snap-align: start;
}

.billing-page .diff-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 240px;
    padding: 1.85rem 1.5rem;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 28px;
    box-shadow: 0 26px 70px var(--panel-shadow);
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.billing-page .diff-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary));
}

.billing-page .diff-card > * {
    position: relative;
    z-index: 1;
}

.billing-page .diff-card:hover {
    transform: translateY(-4px);
    border-color: var(--glass-border-focus);
    box-shadow: 0 34px 80px var(--panel-shadow);
    background:var(--accent-purple);
    color: var(--c-faint) !important;
}

.billing-page .diff-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background: var(--panel-bg);
    border: 1px solid var(--glass-border);
}

.billing-page .diff-card h4 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.05rem;
    line-height: 1.45;
}
.billing-page .diff-card:hover h4 {
    color: var(--c-border);
}

.billing-page .diff-card p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.96rem;
}
.billing-page .diff-card:hover p {
    color: var(--accent-cyan);
}

.billing-page .diff-card.full-width {
    grid-column: 1 / -1;
    background: var(--panel-bg);
    border-color: var(--glass-border-focus);
    color: var(--text-primary);
}

.billing-page .diff-card.full-width .diff-icon {
    background: var(--panel-bg);
    border-color: var(--glass-border-focus);
    color: var(--accent-cyan);
}

.billing-page .diff-card.full-width h4 {
    color: var(--text-primary);
}

.billing-page .diff-card.full-width p,
.billing-page .diff-card.full-width .text-slate-300 {
    color: var(--text-secondary);
}

.billing-page .diff-card.full-width .text-brand-accent {
    color: var(--accent-cyan);
}

/* Dark theme overrides for billing page components */
body.dark-theme .billing-page .diff-card {
    background: var(--panel-bg);
    border-color: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

body.dark-theme .billing-page .diff-card h4,
body.dark-theme .billing-page .diff-card p {
    color: var(--text-primary);
}

body.dark-theme .billing-page .diff-card::before {
    background: linear-gradient(90deg, rgba(29,78,216,0.85), rgba(6,182,212,0.85));
}

body.dark-theme .billing-page .diff-grid {
    /* keep carousel contrast consistent in dark mode */
    background: transparent;
}

body.dark-theme .billing-page .problem-card {
    background: var(--panel-bg);
    border-color: var(--glass-border);
    color: var(--text-primary);
    box-shadow: 0 18px 48px var(--panel-shadow);
}

body.dark-theme .features-carousel-control {
    background: var(--panel-bg);
    border-color: var(--glass-border);
}

@media (max-width: 980px) {
    .billing-page .diff-grid {
        flex-wrap: nowrap;
    }
}