:root {
    --bv-primary: #002e45;
    --bv-primary-light: #05607b;
    --bv-accent: #3b82f6;
    --bv-text: #1e293b;
    --bv-text-muted: #64748b;
    --bv-text-light: #94a3b8;
    --bv-bg: #ffffff;
    --bv-bg-soft: #f8fafc;
    --bv-bg-mute: #f1f5f9;
    --bv-border: #e2e8f0;
    --bv-border-strong: #cbd5e1;
    --bv-success: #10b981;
    --bv-warning: #f59e0b;
    --bv-danger: #ef4444;
    --bv-radius-sm: 6px;
    --bv-radius: 10px;
    --bv-radius-lg: 16px;
    --bv-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --bv-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
    --bv-shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.10);
    --bv-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--bv-text);
    background: var(--bv-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--bv-accent); text-decoration: none; transition: var(--bv-transition); }
a:hover { color: var(--bv-primary); }

button { font-family: inherit; cursor: pointer; }

.bv-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.bv-navbar {
    background: #fff;
    border-bottom: 1px solid var(--bv-border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, 0.95);
}
.bv-navbar .bv-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.bv-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--bv-primary);
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
}
.bv-logo i {
    width: 32px;
    height: 32px;
    background: var(--bv-bg-soft);
    border-radius: var(--bv-radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: var(--bv-transition);
}
.bv-logo:hover i {
    background: var(--bv-primary);
    color: #fff;
}
.bv-nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}
.bv-nav-links a {
    color: var(--bv-text-muted);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
}
.bv-nav-links a:hover { color: var(--bv-primary); }

.bv-hero {
    background: linear-gradient(135deg, #002e45 0%, #05607b 100%);
    padding: 80px 0 100px;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.bv-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.05) 0%, transparent 50%);
    pointer-events: none;
}
.bv-hero-content { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.bv-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
}
.bv-hero-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}
.bv-hero-subtitle {
    font-size: clamp(16px, 2vw, 18px);
    color: rgba(255,255,255,0.85);
    line-height: 1.6;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.bv-hero-stats {
    display: inline-flex;
    align-items: center;
    gap: 32px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 24px 40px;
    border-radius: var(--bv-radius-lg);
    flex-wrap: wrap;
    justify-content: center;
}
.bv-stat-item { text-align: center; }
.bv-stat-value {
    font-size: 32px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.bv-stat-label {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.bv-stat-divider {
    width: 1px;
    height: 36px;
    background: rgba(255,255,255,0.15);
}

.bv-section {
    padding: 80px 0;
}
.bv-section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}
.bv-section-tag {
    display: inline-block;
    color: var(--bv-accent);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}
.bv-section-title {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 700;
    color: var(--bv-text);
    line-height: 2.8;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}
.bv-section-desc {
    font-size: 16px;
    color: var(--bv-text-muted);
    line-height: 1.6;
}

.bv-cards-section { padding-top: 0; margin-top: -50px; position: relative; z-index: 5; }
.bv-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    background: #fff;
    padding: 32px;
    border-radius: var(--bv-radius-lg);
    box-shadow: var(--bv-shadow-lg);
}
.bv-card {
    background: #fff;
    border: 1px solid var(--bv-border);
    border-radius: var(--bv-radius);
    padding: 28px 24px;
    text-align: center;
    transition: var(--bv-transition);
    display: flex;
    flex-direction: column;
}
.bv-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--bv-shadow-lg);
    border-color: var(--bv-border-strong);
}
.bv-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--bv-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 20px;
}
.bv-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--bv-text);
    margin-bottom: 10px;
}
.bv-card-desc {
    font-size: 14px;
    color: var(--bv-text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
    min-height: 64px;
}
.bv-card-metric {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #ecfdf5;
    color: #047857;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 100px;
    margin-bottom: 20px;
    align-self: center;
}
.bv-card-price {
    background: var(--bv-bg-soft);
    border-radius: var(--bv-radius-sm);
    padding: 16px;
    margin-top: auto;
    margin-bottom: 16px;
}
.bv-card-price-label {
    display: block;
    font-size: 11px;
    color: var(--bv-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    font-weight: 500;
}
.bv-card-price-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--bv-text);
    line-height: 1;
    letter-spacing: -0.02em;
}
.bv-card-price-value small {
    font-size: 16px;
    font-weight: 600;
    color: var(--bv-text-muted);
}
.bv-card-price-period {
    display: block;
    font-size: 12px;
    color: var(--bv-text-muted);
    margin-top: 4px;
}
.bv-card-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--bv-accent);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    padding: 10px;
    border-radius: var(--bv-radius-sm);
    transition: var(--bv-transition);
}
.bv-card-link:hover {
    background: var(--bv-bg-soft);
    color: var(--bv-primary);
}
.bv-card-link i { transition: transform 0.2s ease; }
.bv-card-link:hover i { transform: translateX(3px); }

.bv-pricing-card {
    background: #fff;
    border: 1px solid var(--bv-border);
    border-radius: var(--bv-radius-lg);
    overflow: hidden;
    box-shadow: var(--bv-shadow);
}
.bv-pricing-table-wrap { overflow-x: auto; }
.bv-pricing-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}
.bv-pricing-table thead { background: var(--bv-bg-soft); }
.bv-pricing-table th {
    padding: 16px 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--bv-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    border-bottom: 1px solid var(--bv-border);
}
.bv-pricing-table .bv-th-center { text-align: center; }
.bv-pricing-table td {
    padding: 20px;
    border-bottom: 1px solid var(--bv-border);
    vertical-align: middle;
}
.bv-pricing-table tbody tr:last-child td { border-bottom: none; }
.bv-pricing-table tbody tr:hover { background: var(--bv-bg-soft); }
.bv-pricing-name {
    display: flex;
    align-items: center;
    gap: 14px;
}
.bv-pricing-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--bv-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.bv-pricing-name strong {
    display: block;
    font-size: 15px;
    color: var(--bv-text);
    margin-bottom: 2px;
    font-weight: 600;
}
.bv-pricing-name small {
    font-size: 13px;
    color: var(--bv-text-muted);
}
.bv-price {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--bv-text);
}
.bv-discount-badge {
    display: inline-block;
    background: #fef3c7;
    color: #92400e;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 100px;
    margin-top: 6px;
}
.bv-discount-badge.bv-discount-best {
    background: #dcfce7;
    color: #166534;
}

.bv-magaza-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.bv-magaza-card {
    background: #fff;
    border: 1px solid var(--bv-border);
    border-radius: var(--bv-radius-lg);
    padding: 32px 28px;
    position: relative;
    transition: var(--bv-transition);
    display: flex;
    flex-direction: column;
}
.bv-magaza-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--bv-shadow-lg);
}
.bv-magaza-featured {
    border-color: var(--bv-accent);
    border-width: 2px;
}
.bv-magaza-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bv-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.bv-magaza-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--bv-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}
.bv-magaza-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--bv-text);
    margin-bottom: 8px;
}
.bv-magaza-desc {
    font-size: 14px;
    color: var(--bv-text-muted);
    margin-bottom: 20px;
    min-height: 42px;
}
.bv-magaza-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 16px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--bv-border);
}
.bv-magaza-price-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--bv-text);
    letter-spacing: -0.02em;
}
.bv-magaza-price-currency {
    font-size: 20px;
    font-weight: 600;
    color: var(--bv-text-muted);
}
.bv-magaza-price-period {
    font-size: 14px;
    color: var(--bv-text-muted);
    margin-left: 4px;
}
.bv-magaza-quota {
    font-size: 14px;
    color: var(--bv-text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.bv-magaza-quota i { color: var(--bv-accent); }
.bv-magaza-features {
    list-style: none;
    margin-top: auto;
}
.bv-magaza-features li {
    font-size: 14px;
    color: var(--bv-text-muted);
    padding: 6px 0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.bv-magaza-features li i {
    color: var(--bv-success);
    margin-top: 5px;
    font-size: 11px;
    flex-shrink: 0;
}

.bv-chart-section { background: var(--bv-bg-soft); }
.bv-chart-card {
    background: #fff;
    border: 1px solid var(--bv-border);
    border-radius: var(--bv-radius-lg);
    padding: 40px 32px;
    box-shadow: var(--bv-shadow);
}
.bv-chart-bars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    align-items: end;
    min-height: 320px;
}
.bv-chart-bar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}
.bv-chart-bar-wrap {
    flex: 1;
    width: 80%;
    max-width: 100px;
    display: flex;
    align-items: flex-end;
    margin-bottom: 16px;
    min-height: 200px;
}
.bv-chart-bar {
    width: 100%;
    border-radius: var(--bv-radius-sm) var(--bv-radius-sm) 0 0;
    position: relative;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 50px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 12px;
}
.bv-chart-bar-value {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.bv-chart-bar-label {
    text-align: center;
    font-size: 13px;
    color: var(--bv-text);
    font-weight: 500;
    line-height: 1.3;
}
.bv-chart-bar-label i {
    display: block;
    font-size: 18px;
    margin-bottom: 6px;
}

.bv-accordion {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.bv-accordion-item {
    background: #fff;
    border: 1px solid var(--bv-border);
    border-radius: var(--bv-radius);
    overflow: hidden;
    transition: var(--bv-transition);
}
.bv-accordion-item.bv-accordion-open { box-shadow: var(--bv-shadow); }
.bv-accordion-header {
    width: 100%;
    background: #fff;
    border: none;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
    transition: var(--bv-transition);
}
.bv-accordion-header:hover { background: var(--bv-bg-soft); }
.bv-accordion-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--bv-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}
.bv-accordion-title {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    color: var(--bv-text);
}
.bv-accordion-chevron {
    color: var(--bv-text-muted);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.bv-accordion-item.bv-accordion-open .bv-accordion-chevron { transform: rotate(180deg); }
.bv-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.bv-accordion-item.bv-accordion-open .bv-accordion-body { max-height: 1500px; }
.bv-accordion-content {
    padding: 0 24px 24px;
    border-top: 1px solid var(--bv-border);
    padding-top: 20px;
}
.bv-accordion-lead {
    font-size: 15px;
    color: var(--bv-text-muted);
    line-height: 1.7;
    margin-bottom: 24px;
}
.bv-accordion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}
.bv-accordion-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--bv-text);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.bv-feature-list { list-style: none; }
.bv-feature-list li {
    font-size: 14px;
    color: var(--bv-text-muted);
    padding: 6px 0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.bv-feature-list li i {
    color: var(--bv-success);
    margin-top: 5px;
    font-size: 11px;
}
.bv-price-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.bv-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--bv-bg-soft);
    border-radius: var(--bv-radius-sm);
    font-size: 14px;
}
.bv-price-row span {
    color: var(--bv-text-muted);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.bv-price-row strong {
    color: var(--bv-text);
    font-weight: 700;
}
.bv-price-tag {
    display: inline-block;
    background: #fef3c7;
    color: #92400e;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
}
.bv-price-tag-best { background: #dcfce7; color: #166534; }
.bv-accordion-image { margin-top: 16px; }
.bv-accordion-image img {
    width: 100%;
    border-radius: var(--bv-radius);
    border: 1px solid var(--bv-border);
}

.bv-video-card {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--bv-border);
    border-radius: var(--bv-radius-lg);
    overflow: hidden;
    box-shadow: var(--bv-shadow);
}
.bv-video-frame {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
}
.bv-video-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.bv-cta-section { padding: 60px 0; }
.bv-cta-card {
    background: linear-gradient(135deg, #002e45 0%, #05607b 100%);
    border-radius: var(--bv-radius-lg);
    padding: 56px 32px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.bv-cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.05) 0%, transparent 50%);
    pointer-events: none;
}
.bv-cta-card > * { position: relative; z-index: 1; }
.bv-cta-title {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.bv-cta-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.bv-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    color: var(--bv-primary);
    padding: 14px 32px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--bv-transition);
    box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}
.bv-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    color: var(--bv-primary);
}

.bv-empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--bv-text-muted);
}
.bv-empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--bv-text-light);
}

.bv-footer {
    background: var(--bv-bg-soft);
    border-top: 1px solid var(--bv-border);
    padding: 32px 0 24px;
    margin-top: 0;
}
.bv-footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}
.bv-footer-brand strong {
    display: block;
    font-size: 15px;
    color: var(--bv-text);
    margin-bottom: 2px;
}
.bv-footer-brand span {
    font-size: 13px;
    color: var(--bv-text-muted);
}
.bv-footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.bv-footer-links a {
    color: var(--bv-text-muted);
    font-size: 13px;
    text-decoration: none;
}
.bv-footer-links a:hover { color: var(--bv-primary); }
.bv-footer-bottom {
    border-top: 1px solid var(--bv-border);
    padding-top: 16px;
    text-align: center;
    font-size: 12px;
    color: var(--bv-text-light);
}

.bv-text-muted { color: var(--bv-text-muted); }

.bv-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.bv-fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .bv-section { padding: 60px 0; }
    .bv-hero { padding: 60px 0 80px; }
    .bv-hero-stats { gap: 20px; padding: 20px 24px; }
    .bv-stat-divider { display: none; }
    .bv-stat-value { font-size: 24px; }
    .bv-cards-grid { padding: 20px; gap: 16px; }
    .bv-cards-section { margin-top: -40px; }
    .bv-card { padding: 24px 20px; }
    .bv-pricing-name { gap: 10px; }
    .bv-pricing-icon { width: 36px; height: 36px; font-size: 15px; }
    .bv-cta-card { padding: 40px 24px; }
    .bv-chart-bars { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .bv-chart-card { padding: 24px 16px; }
    .bv-footer-content { flex-direction: column; text-align: center; gap: 16px; }
    .bv-footer-links { justify-content: center; gap: 16px; }
    .bv-nav-links { display: none; }
}

@media (max-width: 480px) {
    .bv-container { padding: 0 16px; }
    .bv-hero-title { font-size: 26px; }
    .bv-section-title { font-size: 24px; }
    .bv-card-desc { min-height: auto; }
    .bv-magaza-desc { min-height: auto; }
    .bv-accordion-header { padding: 16px; gap: 12px; }
    .bv-accordion-content { padding: 16px; padding-top: 16px; }
}