@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Space+Grotesk:wght@600;700&display=swap');

/* ROOT TOKENS & RESET */
.sf-backpack-page-wrapper {
    --sf-clr-bg: #F8FAFC;
    --sf-clr-surface: #FFFFFF;
    --sf-clr-alt: #F1F5F9;
    --sf-clr-border: #E2E8F0;
    --sf-clr-border-dark: #CBD5E1;
    --sf-clr-text-main: #0F172A;
    --sf-clr-text-muted: #334155;
    --sf-clr-text-sub: #64748B;
    --sf-clr-primary: #0F172A;
    --sf-clr-primary-hover: #1E293B;
    --sf-clr-brand: #0284C7;
    --sf-clr-brand-dark: #0369A1;
    --sf-clr-brand-light: #E0F2FE;
    --sf-clr-success: #059669;
    --sf-font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --sf-font-display: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
    --sf-header-h-desktop: 74px;
    --sf-header-h-mobile: 60px;
    --sf-bottom-bar-height: 68px;

    background-color: var(--sf-clr-bg);
    color: var(--sf-clr-text-main);
    font-family: var(--sf-font-sans);
    font-size: 16px;
    line-height: 1.6;
    width: 100%;
    position: relative;
    overflow-x: hidden;
    opacity: 1;
    visibility: visible;
    -webkit-font-smoothing: antialiased;
}

.sf-backpack-page-wrapper *,
.sf-backpack-page-wrapper *::before,
.sf-backpack-page-wrapper *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.sf-backpack-page-wrapper .sf-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 1. SOLID ACCESSIBLE BUTTONS */
.sf-backpack-page-wrapper .sf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--sf-font-sans);
    font-weight: 700;
    text-decoration: none;
    border-radius: 12px;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all 200ms ease;
    white-space: nowrap;
}

.sf-backpack-page-wrapper .sf-btn-sm {
    padding: 10px 20px;
    font-size: 14px;
    line-height: 1;
}

.sf-backpack-page-wrapper .sf-btn-lg {
    padding: 16px 28px;
    font-size: 16px;
    line-height: 1.2;
}

.sf-backpack-page-wrapper .sf-btn-primary {
    background-color: var(--sf-clr-primary) !important;
    color: #FFFFFF !important;
    border-color: var(--sf-clr-primary) !important;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.sf-backpack-page-wrapper .sf-btn-primary:hover {
    background-color: var(--sf-clr-primary-hover) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.22);
}

.sf-backpack-page-wrapper .sf-btn-dark {
    background-color: #0F172A !important;
    color: #FFFFFF !important;
}

.sf-backpack-page-wrapper .sf-btn-dark:hover {
    background-color: #1E293B !important;
}

.sf-backpack-page-wrapper .sf-btn-secondary {
    background-color: #FFFFFF !important;
    color: #0F172A !important;
    border-color: var(--sf-clr-border-dark) !important;
    box-shadow: 0 2px 4px rgba(15, 23, 42, 0.05);
}

.sf-backpack-page-wrapper .sf-btn-secondary:hover {
    background-color: var(--sf-clr-alt) !important;
    border-color: var(--sf-clr-primary) !important;
}

.sf-backpack-page-wrapper .sf-btn-outline {
    background-color: transparent !important;
    color: var(--sf-clr-primary) !important;
    border-color: var(--sf-clr-border-dark) !important;
}

.sf-backpack-page-wrapper .sf-btn-outline:hover {
    background-color: var(--sf-clr-alt) !important;
    border-color: var(--sf-clr-primary) !important;
}

.sf-backpack-page-wrapper .sf-btn-block {
    width: 100%;
}

/* 2. FIXED TOP HEADER */
.sf-backpack-page-wrapper .sf-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--sf-header-h-desktop);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--sf-clr-border);
    z-index: 99;
    display: flex;
    align-items: center;
}

.sf-backpack-page-wrapper .sf-header-inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sf-backpack-page-wrapper .sf-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #0F172A;
}

.sf-backpack-page-wrapper .sf-brand-icon-wrap {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--sf-clr-brand);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sf-backpack-page-wrapper .sf-brand-text {
    font-family: var(--sf-font-display);
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #0F172A;
}

.sf-backpack-page-wrapper .sf-brand-accent {
    color: var(--sf-clr-brand);
}

.sf-backpack-page-wrapper .sf-nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
}

.sf-backpack-page-wrapper .sf-nav-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--sf-clr-text-muted);
    text-decoration: none;
    transition: color 150ms ease;
}

.sf-backpack-page-wrapper .sf-nav-link:hover {
    color: var(--sf-clr-brand);
}

/* 3. HERO SECTION */
.sf-backpack-page-wrapper .sf-hero-section {
    position: relative;
    margin-top: var(--sf-header-h-desktop);
    padding: 40px 0 60px 0;
}

.sf-backpack-page-wrapper .sf-hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.sf-backpack-page-wrapper .sf-hero-main-card {
    background: #FFFFFF;
    border: 1px solid var(--sf-clr-border);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.05);
}

.sf-backpack-page-wrapper .sf-hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.sf-backpack-page-wrapper .sf-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--sf-clr-alt);
    border: 1px solid var(--sf-clr-border);
    padding: 6px 14px;
    border-radius: 9999px;
    margin-bottom: 20px;
}

.sf-backpack-page-wrapper .sf-status-led {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--sf-clr-success);
}

.sf-backpack-page-wrapper .sf-status-txt {
    font-size: 13px;
    font-weight: 700;
    color: #1E293B;
}

.sf-backpack-page-wrapper .sf-hero-title {
    font-family: var(--sf-font-display);
    font-size: clamp(32px, 4vw, 50px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: #0F172A;
    margin-bottom: 18px;
}

.sf-backpack-page-wrapper .sf-title-highlight {
    color: var(--sf-clr-brand);
}

.sf-backpack-page-wrapper .sf-hero-description {
    font-size: 17px;
    color: #334155;
    line-height: 1.65;
    margin-bottom: 28px;
    max-width: 540px;
}

.sf-backpack-page-wrapper .sf-color-config-card {
    background: #F8FAFC;
    border: 1px solid var(--sf-clr-border);
    border-radius: 14px;
    padding: 16px 20px;
    margin-bottom: 28px;
}

.sf-backpack-page-wrapper .sf-color-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.sf-backpack-page-wrapper .sf-cfg-title {
    font-size: 14px;
    color: #475569;
    font-weight: 600;
}

.sf-backpack-page-wrapper .sf-cfg-value {
    font-size: 14px;
    color: #0F172A;
    font-weight: 800;
}

.sf-backpack-page-wrapper .sf-color-palette {
    display: flex;
    align-items: center;
    gap: 14px;
}

.sf-backpack-page-wrapper .sf-color-chip {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--chip-color);
    border: 3px solid #FFFFFF;
    box-shadow: 0 0 0 1.5px var(--sf-clr-border-dark);
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.sf-backpack-page-wrapper .sf-color-chip.is-active {
    box-shadow: 0 0 0 2.5px var(--sf-clr-brand);
    transform: scale(1.15);
}

.sf-backpack-page-wrapper .sf-hero-metrics {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
}

.sf-backpack-page-wrapper .sf-metric-num {
    font-family: var(--sf-font-display);
    font-size: 28px;
    font-weight: 800;
    color: #0F172A;
    line-height: 1;
}

.sf-backpack-page-wrapper .sf-metric-unit {
    font-size: 16px;
    font-weight: 700;
    color: var(--sf-clr-brand);
    margin-left: 2px;
}

.sf-backpack-page-wrapper .sf-metric-sub {
    font-size: 13px;
    color: #475569;
    font-weight: 600;
    margin-top: 4px;
}

.sf-backpack-page-wrapper .sf-metric-separator {
    width: 1px;
    height: 36px;
    background: var(--sf-clr-border);
}

.sf-backpack-page-wrapper .sf-hero-btn-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.sf-backpack-page-wrapper .sf-visual-frame {
    position: relative;
    background: radial-gradient(circle at center, #FFFFFF 50%, #F1F5F9 100%);
    border: 1px solid var(--sf-clr-border);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
}

.sf-backpack-page-wrapper .sf-visual-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: rgba(2, 132, 199, 0.12);
    filter: blur(40px);
    border-radius: 50%;
    pointer-events: none;
}

.sf-backpack-page-wrapper .sf-product-stage-img {
    width: 100%;
    height: auto;
    max-height: 420px;
    object-fit: contain;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.1));
    transition: opacity 200ms ease, transform 300ms ease;
}

.sf-backpack-page-wrapper .sf-floating-tag {
    position: absolute;
    z-index: 5;
    background: #FFFFFF;
    border: 1px solid var(--sf-clr-border);
    border-radius: 12px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.sf-backpack-page-wrapper .sf-tag-top {
    top: 20px;
    right: 20px;
}

.sf-backpack-page-wrapper .sf-tag-bottom {
    bottom: 20px;
    left: 20px;
}

.sf-backpack-page-wrapper .sf-tag-icon {
    font-size: 18px;
}

.sf-backpack-page-wrapper .sf-tag-body strong {
    display: block;
    font-size: 13px;
    color: #0F172A;
}

.sf-backpack-page-wrapper .sf-tag-body small {
    font-size: 11px;
    color: #64748B;
}

/* 4. STRIP & CARDS */
.sf-backpack-page-wrapper .sf-feature-strip {
    padding: 24px 0 48px 0;
}

.sf-backpack-page-wrapper .sf-strip-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.sf-backpack-page-wrapper .sf-strip-cell {
    background: #FFFFFF;
    border: 1px solid var(--sf-clr-border);
    border-radius: 14px;
    padding: 20px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.sf-backpack-page-wrapper .sf-cell-icon {
    font-size: 24px;
    line-height: 1;
}

.sf-backpack-page-wrapper .sf-cell-title {
    font-size: 15px;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 4px;
}

.sf-backpack-page-wrapper .sf-cell-desc {
    font-size: 13px;
    color: #475569;
    line-height: 1.45;
}

.sf-backpack-page-wrapper .sf-content-section {
    padding: 80px 0;
}

.sf-backpack-page-wrapper .sf-bg-alt {
    background-color: var(--sf-clr-alt);
}

.sf-backpack-page-wrapper .sf-section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 50px auto;
}

.sf-backpack-page-wrapper .sf-badge-eyebrow {
    display: inline-block;
    background: var(--sf-clr-brand-light);
    color: var(--sf-clr-brand-dark);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 6px 14px;
    border-radius: 9999px;
    margin-bottom: 12px;
}

.sf-backpack-page-wrapper .sf-main-heading {
    font-family: var(--sf-font-display);
    font-size: clamp(26px, 3.2vw, 38px);
    font-weight: 800;
    line-height: 1.2;
    color: #0F172A;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.sf-backpack-page-wrapper .sf-sub-heading {
    font-size: 16px;
    color: #475569;
}

.sf-backpack-page-wrapper .sf-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.sf-backpack-page-wrapper .sf-info-card {
    background: #FFFFFF;
    border: 1px solid var(--sf-clr-border);
    border-radius: 16px;
    padding: 30px;
}

.sf-backpack-page-wrapper .sf-card-badge {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--sf-clr-brand-light);
    color: var(--sf-clr-brand-dark);
    font-size: 14px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.sf-backpack-page-wrapper .sf-card-title {
    font-size: 18px;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 10px;
}

.sf-backpack-page-wrapper .sf-card-text {
    font-size: 14px;
    color: #475569;
    line-height: 1.6;
}

/* 5. ANATOMY */
.sf-backpack-page-wrapper .sf-anatomy-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.sf-backpack-page-wrapper .sf-anatomy-visual {
    position: relative;
}

.sf-backpack-page-wrapper .sf-anatomy-image {
    width: 100%;
    border-radius: 18px;
    display: block;
    object-fit: cover;
}

.sf-backpack-page-wrapper .sf-cert-card {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    padding: 16px 20px;
    border-radius: 12px;
    border: 1px solid var(--sf-clr-border);
}

.sf-backpack-page-wrapper .sf-cert-title {
    display: block;
    font-weight: 800;
    font-size: 14px;
    color: #0F172A;
}

.sf-backpack-page-wrapper .sf-cert-desc {
    font-size: 12px;
    color: #475569;
}

.sf-backpack-page-wrapper .sf-check-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 24px;
}

.sf-backpack-page-wrapper .sf-check-row {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.sf-backpack-page-wrapper .sf-chk-bullet {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #D1FAE5;
    color: var(--sf-clr-success);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
    margin-top: 2px;
}

.sf-backpack-page-wrapper .sf-chk-title {
    font-size: 16px;
    font-weight: 700;
    color: #0F172A;
}

.sf-backpack-page-wrapper .sf-chk-desc {
    font-size: 14px;
    color: #475569;
}

/* 6. PRICING & TIERS */
.sf-backpack-page-wrapper .sf-pay-switch-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 36px;
}

.sf-backpack-page-wrapper .sf-pay-switcher {
    background: #E2E8F0;
    padding: 4px;
    border-radius: 9999px;
    display: flex;
    gap: 4px;
}

.sf-backpack-page-wrapper .sf-pay-tab {
    border: none;
    background: transparent;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 700;
    color: #475569;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 180ms ease;
}

.sf-backpack-page-wrapper .sf-pay-tab.is-active {
    background: #FFFFFF;
    color: #0F172A;
    box-shadow: 0 2px 4px rgba(15, 23, 42, 0.08);
}

.sf-backpack-page-wrapper .sf-pricing-cards-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.sf-backpack-page-wrapper .sf-tier-card {
    background: #FFFFFF;
    border: 1px solid var(--sf-clr-border);
    border-radius: 20px;
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.sf-backpack-page-wrapper .sf-tier-card.is-flagship {
    border: 2px solid var(--sf-clr-brand);
    box-shadow: 0 12px 30px -5px rgba(2, 132, 199, 0.15);
}

.sf-backpack-page-wrapper .sf-flagship-pill {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--sf-clr-brand);
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: 9999px;
    text-transform: uppercase;
}

.sf-backpack-page-wrapper .sf-tier-vol {
    font-size: 13px;
    font-weight: 800;
    color: var(--sf-clr-brand);
    text-transform: uppercase;
}

.sf-backpack-page-wrapper .sf-tier-name {
    font-family: var(--sf-font-display);
    font-size: 24px;
    font-weight: 800;
    color: #0F172A;
    margin: 6px 0;
}

.sf-backpack-page-wrapper .sf-tier-caption {
    font-size: 14px;
    color: #475569;
    margin-bottom: 20px;
    min-height: 42px;
}

.sf-backpack-page-wrapper .sf-tier-pricing-area {
    border-top: 1px solid var(--sf-clr-border);
    border-bottom: 1px solid var(--sf-clr-border);
    padding: 16px 0;
    margin-bottom: 24px;
}

.sf-backpack-page-wrapper .sf-tier-price-box {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.sf-backpack-page-wrapper .sf-cur {
    font-size: 22px;
    font-weight: 700;
    color: #0F172A;
}

.sf-backpack-page-wrapper .sf-tier-amount {
    font-family: var(--sf-font-display);
    font-size: 40px;
    font-weight: 800;
    color: #0F172A;
}

.sf-backpack-page-wrapper .sf-tier-condition {
    font-size: 13px;
    color: #64748B;
}

.sf-backpack-page-wrapper .sf-tier-features-list {
    list-style: none;
    flex-grow: 1;
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sf-backpack-page-wrapper .sf-tier-features-list li {
    font-size: 14px;
    color: #334155;
    display: flex;
    gap: 8px;
}

.sf-backpack-page-wrapper .sf-tier-features-list li::before {
    content: '✓';
    color: var(--sf-clr-brand);
    font-weight: 800;
}

/* 7. COMPARISON TABLE */
.sf-backpack-page-wrapper .sf-table-responsive-box {
    overflow-x: auto;
    background: #FFFFFF;
    border: 1px solid var(--sf-clr-border);
    border-radius: 16px;
}

.sf-backpack-page-wrapper .sf-data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.sf-backpack-page-wrapper .sf-data-table th,
.sf-backpack-page-wrapper .sf-data-table td {
    padding: 18px 24px;
    border-bottom: 1px solid var(--sf-clr-border);
    font-size: 15px;
    color: #1E293B;
}

.sf-backpack-page-wrapper .sf-data-table thead th {
    background: #F8FAFC;
    font-weight: 800;
    color: #0F172A;
}

.sf-backpack-page-wrapper .sf-col-active {
    background: #F0F9FF;
    color: var(--sf-clr-brand-dark) !important;
}

/* 8. FAQ ACCORDION */
.sf-backpack-page-wrapper .sf-faq-max {
    max-width: 800px;
}

.sf-backpack-page-wrapper .sf-accordion-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sf-backpack-page-wrapper .sf-faq-node {
    background: #FFFFFF;
    border: 1.5px solid var(--sf-clr-border);
    border-radius: 14px;
    overflow: hidden;
}

.sf-backpack-page-wrapper .sf-faq-node.is-open {
    border-color: var(--sf-clr-brand);
}

.sf-backpack-page-wrapper .sf-faq-btn {
    width: 100%;
    background: transparent;
    border: none;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    cursor: pointer;
    font-family: var(--sf-font-sans);
    font-size: 16px;
    font-weight: 700;
    color: #0F172A;
}

.sf-backpack-page-wrapper .sf-faq-chevron {
    font-size: 22px;
    color: var(--sf-clr-brand);
    line-height: 1;
    transition: transform 200ms ease;
}

.sf-backpack-page-wrapper .sf-faq-node.is-open .sf-faq-chevron {
    transform: rotate(45deg);
}

.sf-backpack-page-wrapper .sf-faq-panel {
    padding: 0 24px 20px 24px;
    font-size: 15px;
    color: #334155;
    line-height: 1.6;
    display: none;
}

.sf-backpack-page-wrapper .sf-faq-node.is-open .sf-faq-panel {
    display: block;
}

/* 9. HIGH-END RICH FOOTER */
.sf-backpack-page-wrapper .sf-footer-master {
    background-color: #FFFFFF;
    border-top: 1px solid var(--sf-clr-border);
    position: relative;
    z-index: 20;
}

.sf-backpack-page-wrapper .sf-footer-perks {
    border-bottom: 1px solid var(--sf-clr-border);
    padding: 44px 0;
    background-color: #FAFCFF;
}

.sf-backpack-page-wrapper .sf-footer-perks-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.sf-backpack-page-wrapper .sf-perk-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.sf-backpack-page-wrapper .sf-perk-icon-ring {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--sf-clr-brand-light);
    color: var(--sf-clr-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sf-backpack-page-wrapper .sf-perk-title {
    font-size: 15px;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 4px;
}

.sf-backpack-page-wrapper .sf-perk-desc {
    font-size: 13px;
    color: #475569;
    line-height: 1.45;
}

.sf-backpack-page-wrapper .sf-footer-main {
    padding: 70px 0 60px 0;
}

.sf-backpack-page-wrapper .sf-footer-nav-grid {
    display: grid;
    grid-template-columns: 1.35fr 0.8fr 0.8fr 1.25fr;
    gap: 48px;
}

.sf-backpack-page-wrapper .sf-footer-brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #0F172A;
    margin-bottom: 18px;
}

.sf-backpack-page-wrapper .sf-footer-about {
    font-size: 14px;
    color: #475569;
    line-height: 1.65;
    margin-bottom: 24px;
    max-width: 320px;
}

.sf-backpack-page-wrapper .sf-footer-socials {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sf-backpack-page-wrapper .sf-social-pill {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: #F1F5F9;
    color: #334155;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 180ms ease;
    border: 1px solid var(--sf-clr-border);
}

.sf-backpack-page-wrapper .sf-social-pill:hover {
    background: var(--sf-clr-primary);
    color: #FFFFFF;
    border-color: var(--sf-clr-primary);
    transform: translateY(-2px);
}

.sf-backpack-page-wrapper .sf-fcol-title {
    font-family: var(--sf-font-display);
    font-size: 16px;
    font-weight: 700;
    color: #0F172A;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.sf-backpack-page-wrapper .sf-footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sf-backpack-page-wrapper .sf-footer-links a {
    font-size: 14px;
    font-weight: 500;
    color: #475569;
    text-decoration: none;
    transition: color 150ms ease, transform 150ms ease;
    display: inline-block;
}

.sf-backpack-page-wrapper .sf-footer-links a:hover {
    color: var(--sf-clr-brand);
    transform: translateX(3px);
}

.sf-backpack-page-wrapper .sf-newsletter-info {
    font-size: 13px;
    color: #475569;
    line-height: 1.55;
    margin-bottom: 16px;
}

.sf-backpack-page-wrapper .sf-newsletter-form {
    margin-bottom: 24px;
}

.sf-backpack-page-wrapper .sf-input-wrap {
    display: flex;
    position: relative;
    background: #F8FAFC;
    border: 1.5px solid var(--sf-clr-border);
    border-radius: 12px;
    padding: 4px;
    transition: border-color 180ms ease, box-shadow 180ms ease;
}

.sf-backpack-page-wrapper .sf-input-wrap:focus-within {
    border-color: var(--sf-clr-brand);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.12);
}

.sf-backpack-page-wrapper .sf-newsletter-input {
    width: 100%;
    border: none;
    background: transparent;
    padding: 10px 14px;
    font-size: 14px;
    font-family: var(--sf-font-sans);
    color: #0F172A;
    outline: none;
}

.sf-backpack-page-wrapper .sf-newsletter-btn {
    background: var(--sf-clr-primary);
    color: #FFFFFF;
    border: none;
    border-radius: 8px;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 180ms ease;
    flex-shrink: 0;
}

.sf-backpack-page-wrapper .sf-newsletter-btn:hover {
    background: var(--sf-clr-brand);
}

.sf-backpack-page-wrapper .sf-news-status {
    display: block;
    font-size: 12px;
    margin-top: 6px;
    min-height: 18px;
}

.sf-backpack-page-wrapper .sf-news-status.is-success {
    color: var(--sf-clr-success);
    font-weight: 700;
}

.sf-backpack-page-wrapper .sf-footer-support-box {
    background: #F8FAFC;
    border: 1px solid var(--sf-clr-border);
    border-radius: 12px;
    padding: 14px 18px;
}

.sf-backpack-page-wrapper .sf-support-tag {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: #64748B;
    letter-spacing: 0.05em;
}

.sf-backpack-page-wrapper .sf-support-email {
    display: block;
    font-size: 15px;
    font-weight: 800;
    color: var(--sf-clr-brand);
    text-decoration: none;
    margin: 2px 0;
}

.sf-backpack-page-wrapper .sf-support-email:hover {
    text-decoration: underline;
}

.sf-backpack-page-wrapper .sf-support-hours {
    display: block;
    font-size: 12px;
    color: #64748B;
}

.sf-backpack-page-wrapper .sf-footer-subline {
    background: #F8FAFC;
    border-top: 1px solid var(--sf-clr-border);
    padding: 24px 0;
}

.sf-backpack-page-wrapper .sf-footer-sub-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.sf-backpack-page-wrapper .sf-sub-left p {
    font-size: 13px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 6px;
}

.sf-backpack-page-wrapper .sf-legal-links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.sf-backpack-page-wrapper .sf-legal-links a {
    font-size: 12px;
    color: #64748B;
    text-decoration: none;
    transition: color 150ms ease;
}

.sf-backpack-page-wrapper .sf-legal-links a:hover {
    color: var(--sf-clr-brand);
}

.sf-backpack-page-wrapper .sf-dot-sep {
    font-size: 10px;
    color: #CBD5E1;
}

.sf-backpack-page-wrapper .sf-payment-badges {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.sf-backpack-page-wrapper .sf-pay-badge {
    background: #FFFFFF;
    border: 1px solid var(--sf-clr-border);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 700;
    color: #334155;
    letter-spacing: 0.02em;
}

.sf-backpack-page-wrapper .sf-pay-badge.sf-badge-green {
    background: #ECFDF5;
    border-color: #A7F3D0;
    color: var(--sf-clr-success);
}

/* ==========================================
   10. MOBILE BOTTOM NAVIGATION APP-BAR (DESKTOP HIDDEN)
   ========================================== */
.sf-backpack-page-wrapper .sf-mobile-bottom-nav {
    display: none;
}

/* ==========================================
   RESPONSIVE BREAKPOINTS (ALL SCREENS)
   ========================================== */
@media (max-width: 991px) {
    .sf-backpack-page-wrapper .sf-nav-menu {
        display: none;
    }

    .sf-backpack-page-wrapper .sf-hero-grid,
    .sf-backpack-page-wrapper .sf-anatomy-split {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .sf-backpack-page-wrapper .sf-strip-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sf-backpack-page-wrapper .sf-cards-grid,
    .sf-backpack-page-wrapper .sf-pricing-cards-row {
        grid-template-columns: 1fr;
    }

    .sf-backpack-page-wrapper .sf-footer-perks-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .sf-backpack-page-wrapper .sf-footer-nav-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {

    /* Header adjustments */
    .sf-backpack-page-wrapper .sf-header {
        height: var(--sf-header-h-mobile);
    }

    .sf-backpack-page-wrapper .sf-header-inner {
        padding: 0 16px;
    }

    /* Top CTA removed from mobile header to avoid distraction, moved into primary bottom thumb zone */
    .sf-backpack-page-wrapper .sf-header-actions {
        display: none;
    }

    .sf-backpack-page-wrapper .sf-hero-section {
        margin-top: var(--sf-header-h-mobile);
        padding: 20px 0 40px 0;
    }

    .sf-backpack-page-wrapper .sf-hero-container {
        padding: 0 16px;
    }

    .sf-backpack-page-wrapper .sf-hero-main-card {
        padding: 24px 18px;
        border-radius: 18px;
    }

    .sf-backpack-page-wrapper .sf-br-desktop {
        display: none;
    }

    .sf-backpack-page-wrapper .sf-hero-title {
        font-size: 28px;
    }

    .sf-backpack-page-wrapper .sf-hero-description {
        font-size: 15px;
    }

    .sf-backpack-page-wrapper .sf-hero-btn-row {
        flex-direction: column;
    }

    .sf-backpack-page-wrapper .sf-hero-btn-row .sf-btn {
        width: 100%;
    }

    .sf-backpack-page-wrapper .sf-hero-metrics {
        gap: 16px;
        justify-content: space-between;
    }

    .sf-backpack-page-wrapper .sf-metric-num {
        font-size: 22px;
    }

    .sf-backpack-page-wrapper .sf-strip-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .sf-backpack-page-wrapper .sf-content-section {
        padding: 50px 0;
    }

    .sf-backpack-page-wrapper .sf-floating-tag {
        position: static;
        margin: 10px 0;
        width: 100%;
    }

    .sf-backpack-page-wrapper .sf-visual-frame {
        padding: 20px;
    }

    .sf-backpack-page-wrapper .sf-footer-perks {
        padding: 32px 0;
    }

    .sf-backpack-page-wrapper .sf-footer-perks-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .sf-backpack-page-wrapper .sf-footer-nav-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .sf-backpack-page-wrapper .sf-footer-about {
        max-width: 100%;
    }

    .sf-backpack-page-wrapper .sf-footer-sub-inner {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .sf-backpack-page-wrapper .sf-legal-links {
        justify-content: center;
    }

    .sf-backpack-page-wrapper .sf-payment-badges {
        justify-content: center;
    }

    /* CRITICAL: Extra padding at bottom to prevent bottom app-bar from obscuring footer content */
    .sf-backpack-page-wrapper .sf-footer-subline {
        padding-bottom: calc(var(--sf-bottom-bar-height) + env(safe-area-inset-bottom, 0px) + 20px);
    }

    /* ==========================================
     FIXED BOTTOM MOBILE APP-BAR (THUMB-ZONE UX)
     ========================================== */
    .sf-backpack-page-wrapper .sf-mobile-bottom-nav {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 999;
        background: rgba(255, 255, 255, 0.94);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-top: 1px solid var(--sf-clr-border);
        box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }

    .sf-backpack-page-wrapper .sf-bnav-wrap {
        display: flex;
        align-items: center;
        justify-content: space-around;
        height: var(--sf-bottom-bar-height);
        padding: 0 8px;
    }

    .sf-backpack-page-wrapper .sf-bnav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        color: var(--sf-clr-text-sub);
        font-family: var(--sf-font-sans);
        padding: 6px 10px;
        border-radius: 10px;
        transition: color 150ms ease, transform 150ms ease;
        min-width: 58px;
        -webkit-tap-highlight-color: transparent;
    }

    .sf-backpack-page-wrapper .sf-bnav-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 22px;
        color: inherit;
        transition: transform 150ms ease;
    }

    .sf-backpack-page-wrapper .sf-bnav-label {
        font-size: 11px;
        font-weight: 600;
        line-height: 1.2;
        margin-top: 3px;
        color: inherit;
    }

    .sf-backpack-page-wrapper .sf-bnav-item.is-active {
        color: var(--sf-clr-brand);
    }

    .sf-backpack-page-wrapper .sf-bnav-item.is-active .sf-bnav-icon {
        transform: translateY(-1px);
    }

    .sf-backpack-page-wrapper .sf-bnav-item.is-active .sf-bnav-label {
        font-weight: 800;
    }

    /* Action CTA Pill in Bottom Bar */
    .sf-backpack-page-wrapper .sf-bnav-cta {
        padding: 0;
    }

    .sf-backpack-page-wrapper .sf-bnav-action-pill {
        background: var(--sf-clr-primary);
        color: #FFFFFF;
        border-radius: 9999px;
        padding: 8px 14px;
        display: flex;
        align-items: center;
        gap: 6px;
        box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
        transition: background-color 150ms ease, transform 150ms ease;
    }

    .sf-backpack-page-wrapper .sf-bnav-action-pill:active {
        transform: scale(0.95);
    }

    .sf-backpack-page-wrapper .sf-bnav-cta-txt {
        font-size: 12px;
        font-weight: 800;
        letter-spacing: 0.02em;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sf-backpack-page-wrapper * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}