/* ═══════════════════════════════════════════════════════════════════════════
   Cyberspace Landing Page — Blockchain / Warstwa Audytu Stylesheet
   Companion to landing.css (inherits all custom properties and base styles)
   Mobile-first responsive design (375px -> 768px -> 1024px -> 1280px)
   ═══════════════════════════════════════════════════════════════════════════ */


/* ── Additional Custom Properties ────────────────────────────────────────── */
:root {
    --csl-dark-bg:       #131524;
    --csl-dark-card:     #1A1D36;
    --csl-dark-border:   #2d3148;
    --csl-teal-50:       #f0fdfa;
    --csl-teal-100:      #ccfbf1;
    --csl-teal-600:      #0d9488;
    --csl-teal-700:      #0f766e;
    --csl-green-100:     #dcfce7;
    --csl-green-500:     #22c55e;
    --csl-green-600:     #16a34a;
    --csl-green-700:     #15803d;
    --csl-red-50:        #fef2f2;
    --csl-red-100:       #fee2e2;
    --csl-red-200:       #fecaca;
    --csl-red-600:       #dc2626;
    --csl-red-700:       #b91c1c;
    --csl-purple-a:      #A78BFA;
}

/* ── Utility: Container Narrow ───────────────────────────────────────────── */
.csl-container--narrow {
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 16px;
    padding-right: 16px;
}

.csl-container--medium {
    max-width: 1024px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 16px;
    padding-right: 16px;
}

@media (min-width: 640px) {
    .csl-container--narrow,
    .csl-container--medium {
        padding-left: 24px;
        padding-right: 24px;
    }
}

@media (min-width: 1024px) {
    .csl-container--narrow,
    .csl-container--medium {
        padding-left: 32px;
        padding-right: 32px;
    }
}

/* ── Utility: Text color helpers ─────────────────────────────────────────── */
.csl-text-purple { color: var(--csl-purple); }


/* ═══════════════════════════════════════════════════════════════════════════
   BADGES (Shared across sections)
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    border-radius: var(--csl-radius-full);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.4;
}

.csl-badge--teal-outline {
    background: var(--csl-teal-50);
    color: var(--csl-teal-700);
    border: 1px solid var(--csl-teal-100);
    box-shadow: var(--csl-shadow-sm);
}

.csl-badge--purple-border {
    background: var(--csl-white);
    color: var(--csl-purple);
    border: 1px solid rgba(82, 15, 125, 0.2);
    box-shadow: var(--csl-shadow-sm);
}

.csl-badge--muted {
    background: #f9fafb;
    color: var(--csl-muted);
    border: 1px solid var(--csl-border);
    box-shadow: var(--csl-shadow-sm);
}


/* ═══════════════════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    border-radius: var(--csl-radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--csl-transition);
    font-family: var(--csl-font);
    text-decoration: none;
    line-height: 1.2;
    white-space: nowrap;
}

.csl-btn--primary {
    background: var(--csl-purple);
    color: var(--csl-white);
    padding: 14px 32px;
    font-size: 0.9375rem;
    box-shadow: var(--csl-shadow-md);
}

.csl-btn--primary:hover {
    background: var(--csl-purple-hover);
}

.csl-btn--outline {
    background: var(--csl-white);
    color: var(--csl-purple);
    border: 1px solid #d1d5db;
    padding: 14px 32px;
    font-size: 0.9375rem;
}

.csl-btn--outline:hover {
    border-color: var(--csl-purple);
    background: #f9fafb;
}

.csl-btn--outline-light {
    background: transparent;
    color: var(--csl-white);
    border: 2px solid #4b5563;
    padding: 16px 32px;
    font-size: 1.125rem;
}

.csl-btn--outline-light:hover {
    background: var(--csl-white);
    color: var(--csl-dark-bg);
}

.csl-btn--outline-white {
    background: transparent;
    color: var(--csl-white);
    border: 3px solid rgba(255, 255, 255, 0.3);
    padding: 20px 40px;
    font-size: 1.125rem;
    font-weight: 900;
    border-radius: var(--csl-radius-lg);
}

.csl-btn--outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--csl-white);
}

.csl-btn--white {
    background: var(--csl-white);
    color: var(--csl-purple);
    padding: 20px 40px;
    font-size: 1.125rem;
    font-weight: 900;
    border-radius: var(--csl-radius-lg);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.csl-btn--white:hover {
    background: #f9fafb;
}

.csl-btn--ghost {
    background: #f3f4f6;
    color: #4b5563;
    padding: 14px 24px;
    font-size: 0.9375rem;
}

.csl-btn--ghost:hover {
    background: #e5e7eb;
}

.csl-btn--lg { padding: 14px 32px; font-size: 1rem; }
.csl-btn--xl { padding: 20px 40px; font-size: 1.125rem; }
.csl-btn--sm { padding: 12px 24px; font-size: 0.875rem; }
.csl-btn--full { width: 100%; margin-top: 32px; }
.csl-btn--flex { flex: 1; }

@media (min-width: 768px) {
    .csl-btn--xl { font-size: 1.25rem; }
}


/* ═══════════════════════════════════════════════════════════════════════════
   MODALS
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.csl-blockchain-modal.is-open {
    display: flex;
}

.csl-blockchain-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(19, 21, 36, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.csl-blockchain-modal__card {
    position: relative;
    background: var(--csl-white);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.csl-blockchain-modal__card--video {
    max-width: 960px;
}

.csl-blockchain-modal__card--lead {
    max-width: 672px;
    max-height: 90vh;
}

.csl-blockchain-modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    border-bottom: 1px solid #f3f4f6;
    background: var(--csl-white);
    z-index: 10;
}

.csl-blockchain-modal__header--video {
    background: #f8f9fa;
}

.csl-blockchain-modal__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--csl-dark);
}

.csl-blockchain-modal__title .csl-icon {
    color: var(--csl-purple);
}

.csl-blockchain-modal__title-lg {
    font-weight: 900;
    font-size: 1.25rem;
    color: var(--csl-dark);
}

.csl-blockchain-modal__step-info {
    font-size: 0.875rem;
    color: var(--csl-muted);
    font-weight: 500;
    margin-top: 4px;
}

.csl-blockchain-modal__close {
    padding: 8px;
    border: none;
    background: transparent;
    border-radius: var(--csl-radius-full);
    cursor: pointer;
    color: #9ca3af;
    transition: all var(--csl-transition);
}

.csl-blockchain-modal__close:hover {
    background: #f3f4f6;
    color: #4b5563;
}

/* Progress Bar */
.csl-blockchain-modal__progress {
    height: 4px;
    background: #f3f4f6;
    width: 100%;
}

.csl-blockchain-modal__progress-bar {
    height: 100%;
    background: var(--csl-purple);
    transition: width 0.3s ease-in-out;
}

/* Body */
.csl-blockchain-modal__body {
    padding: 32px;
    overflow-y: auto;
    flex: 1;
}

/* Video Placeholder */
.csl-blockchain-modal__video-body {
    aspect-ratio: 16 / 9;
    background: #000;
    position: relative;
}

.csl-blockchain-modal__video-placeholder {
    position: absolute;
    inset: 0;
    background: var(--csl-dark-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
}

.csl-blockchain-modal__video-placeholder .csl-icon {
    opacity: 0.3;
    margin-bottom: 16px;
}

.csl-blockchain-modal__video-text {
    font-weight: 500;
}

.csl-blockchain-modal__video-sub {
    font-size: 0.875rem;
    opacity: 0.5;
    margin-top: 8px;
}

/* Step Content */
.csl-blockchain-modal__step-heading {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--csl-dark);
    margin-bottom: 16px;
}

/* Radio & Checkbox Grid */
.csl-blockchain-modal__radio-grid,
.csl-blockchain-modal__checkbox-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 8px;
}

@media (min-width: 640px) {
    .csl-blockchain-modal__radio-grid,
    .csl-blockchain-modal__checkbox-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.csl-blockchain-modal__radio-option,
.csl-blockchain-modal__checkbox-option {
    display: flex;
    align-items: flex-start;
    padding: 16px;
    border: 1px solid #e5e7eb;
    border-radius: var(--csl-radius-md);
    cursor: pointer;
    transition: all var(--csl-transition);
    gap: 12px;
}

.csl-blockchain-modal__radio-option:hover,
.csl-blockchain-modal__checkbox-option:hover {
    border-color: var(--csl-purple);
    background: rgba(82, 15, 125, 0.03);
}

.csl-blockchain-modal__radio-option input,
.csl-blockchain-modal__checkbox-option input {
    margin-top: 2px;
    accent-color: var(--csl-purple);
}

.csl-blockchain-modal__radio-option span,
.csl-blockchain-modal__checkbox-option span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--csl-dark);
    line-height: 1.4;
}

/* Form Fields */
.csl-blockchain-modal__form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (min-width: 640px) {
    .csl-blockchain-modal__form-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.csl-blockchain-modal__field {
    margin-bottom: 20px;
}

.csl-blockchain-modal__label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.csl-blockchain-modal__label--dark {
    font-size: 0.875rem;
    color: var(--csl-dark);
    text-transform: none;
    letter-spacing: 0;
}

.csl-blockchain-modal__hint {
    font-size: 0.75rem;
    color: #6b7280;
    margin-bottom: 12px;
}

.csl-blockchain-modal__input {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: var(--csl-radius-md);
    padding: 12px;
    font-size: 0.9375rem;
    font-family: var(--csl-font);
    color: var(--csl-dark);
    background: var(--csl-white);
    outline: none;
    transition: border-color var(--csl-transition), box-shadow var(--csl-transition);
}

.csl-blockchain-modal__input:focus {
    border-color: var(--csl-purple);
    box-shadow: 0 0 0 1px var(--csl-purple);
}

.csl-blockchain-modal__input--textarea {
    resize: none;
}

/* Consent */
.csl-blockchain-modal__consent {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: #f9fafb;
    border-radius: var(--csl-radius-md);
    border: 1px solid #f3f4f6;
    cursor: pointer;
    margin-bottom: 16px;
}

.csl-blockchain-modal__consent input {
    margin-top: 2px;
    accent-color: var(--csl-purple);
}

.csl-blockchain-modal__consent span {
    font-size: 0.75rem;
    color: #6b7280;
    line-height: 1.6;
}

/* Actions */
.csl-blockchain-modal__actions {
    display: flex;
    gap: 12px;
    padding-top: 16px;
}

/* Success */
.csl-blockchain-modal__success {
    text-align: center;
    padding: 32px 0;
}

.csl-blockchain-modal__success-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--csl-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.csl-blockchain-modal__success-icon--green {
    background: var(--csl-green-100);
    color: var(--csl-green-600);
}

.csl-blockchain-modal__success-icon--purple {
    background: var(--csl-purple-light);
    color: var(--csl-purple);
}

.csl-blockchain-modal__success-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--csl-dark);
    margin-bottom: 12px;
}

.csl-blockchain-modal__success-text {
    font-size: 1.125rem;
    color: var(--csl-muted);
    max-width: 28rem;
    margin: 0 auto 32px;
    line-height: 1.6;
}

.csl-blockchain-modal__link-btn {
    display: block;
    margin: 16px auto 0;
    background: none;
    border: none;
    font-size: 0.875rem;
    font-weight: 700;
    color: #6b7280;
    text-decoration: underline;
    cursor: pointer;
    font-family: var(--csl-font);
}

.csl-blockchain-modal__link-btn:hover {
    color: #374151;
}


/* ═══════════════════════════════════════════════════════════════════════════
   2. HERO SECTION
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-hero {
    position: relative;
    padding-top: 128px;
    padding-bottom: 80px;
    background: var(--csl-body-bg);
    overflow: hidden;
}

@media (min-width: 768px) {
    .csl-blockchain-hero {
        padding-top: 192px;
        padding-bottom: 96px;
    }
}

.csl-blockchain-hero__grid-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.03;
    background-image:
        linear-gradient(#212529 1px, transparent 1px),
        linear-gradient(90deg, #212529 1px, transparent 1px);
    background-size: 32px 32px;
}

.csl-blockchain-hero__inner {
    position: relative;
    z-index: 10;
}

/* Breadcrumbs */
.csl-blockchain-hero__breadcrumbs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 32px;
}

@media (min-width: 640px) {
    .csl-blockchain-hero__breadcrumbs {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.csl-blockchain-hero__breadcrumbs-nav {
    display: flex;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--csl-muted);
    gap: 8px;
}

.csl-blockchain-hero__breadcrumb-link {
    cursor: pointer;
    transition: color var(--csl-transition);
}

.csl-blockchain-hero__breadcrumb-link:hover {
    color: var(--csl-purple);
}

.csl-blockchain-hero__breadcrumb-current {
    color: var(--csl-dark);
    font-weight: 700;
}

.csl-blockchain-hero__breadcrumbs-date {
    font-size: 0.75rem;
    color: #9ca3af;
}

/* Hero Columns */
.csl-blockchain-hero__cols {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

@media (min-width: 768px) {
    .csl-blockchain-hero__cols {
        grid-template-columns: 1fr 1fr;
    }
}

.csl-blockchain-hero__copy {
    max-width: 640px;
}

.csl-blockchain-hero__copy .csl-badge {
    margin-bottom: 24px;
}

.csl-blockchain-hero__heading {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--csl-dark);
    line-height: 1.15;
    margin-bottom: 24px;
}

@media (min-width: 768px) {
    .csl-blockchain-hero__heading { font-size: 2.5rem; }
}

@media (min-width: 1024px) {
    .csl-blockchain-hero__heading { font-size: 3rem; }
}

@media (min-width: 1280px) {
    .csl-blockchain-hero__heading { font-size: 3.5rem; }
}

.csl-blockchain-hero__text {
    font-size: 1.125rem;
    color: var(--csl-muted);
    line-height: 1.7;
    margin-bottom: 32px;
}

@media (min-width: 768px) {
    .csl-blockchain-hero__text { font-size: 1.25rem; }
}

/* Trust Badges */
.csl-blockchain-hero__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}

.csl-blockchain-hero__badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--csl-white);
    padding: 8px 12px;
    border-radius: var(--csl-radius-md);
    border: 1px solid #e5e7eb;
    box-shadow: var(--csl-shadow-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--csl-dark);
}

.csl-blockchain-hero__badge svg {
    color: var(--csl-teal-600);
}

/* CTAs */
.csl-blockchain-hero__ctas {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: stretch;
}

@media (min-width: 640px) {
    .csl-blockchain-hero__ctas {
        flex-direction: row;
        align-items: center;
    }
}

.csl-blockchain-hero__video-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    background: none;
    border: none;
    color: var(--csl-purple);
    font-weight: 700;
    font-size: 0.9375rem;
    cursor: pointer;
    font-family: var(--csl-font);
    transition: opacity var(--csl-transition);
}

.csl-blockchain-hero__video-link:hover {
    opacity: 0.8;
}

/* Hero Visual (Right) */
.csl-blockchain-hero__visual {
    position: relative;
}

.csl-blockchain-hero__glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(82, 15, 125, 0.1) 0%, rgba(13, 148, 136, 0.1) 100%);
    border-radius: 24px;
    filter: blur(48px);
    transform: rotate(6deg);
}

.csl-blockchain-hero__card {
    position: relative;
    background: var(--csl-white);
    border-radius: 24px;
    box-shadow: var(--csl-shadow-xl);
    border: 1px solid #f3f4f6;
    padding: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    aspect-ratio: 4 / 3;
    cursor: pointer;
    transition: box-shadow var(--csl-transition-md);
}

.csl-blockchain-hero__card:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

/* Paragon Mini (in hero) */
.csl-blockchain-paragon-mini {
    width: 100%;
    background: #f8f9fa;
    border-radius: var(--csl-radius-lg);
    border: 1px solid #e5e7eb;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

.csl-blockchain-paragon-mini__header {
    background: var(--csl-dark-bg);
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--csl-white);
    font-family: monospace;
    font-size: 0.6875rem;
    opacity: 0.7;
}

.csl-blockchain-paragon-mini__body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.csl-blockchain-paragon-mini__row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 20px;
}

.csl-blockchain-paragon-mini__label {
    font-size: 0.6875rem;
    font-weight: 700;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}

.csl-blockchain-paragon-mini__verified {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--csl-green-600);
    font-weight: 900;
    font-size: 1.25rem;
}

.csl-blockchain-paragon-mini__check-ring {
    width: 56px;
    height: 56px;
    border-radius: var(--csl-radius-full);
    border: 4px solid rgba(34, 197, 94, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--csl-green-500);
}

.csl-blockchain-paragon-mini__mono {
    font-family: monospace;
    font-size: 0.875rem;
    background: #f3f4f6;
    padding: 8px 12px;
    border-radius: var(--csl-radius-sm);
    color: #374151;
    font-weight: 500;
    border: 1px solid #e5e7eb;
}

/* Play Overlay */
.csl-blockchain-hero__play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity var(--csl-transition-md);
    border-radius: 24px;
}

.csl-blockchain-hero__card:hover .csl-blockchain-hero__play-overlay {
    opacity: 1;
}

.csl-blockchain-hero__play-btn {
    width: 80px;
    height: 80px;
    background: var(--csl-purple);
    border-radius: var(--csl-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--csl-shadow-lg);
    color: var(--csl-white);
    transform: scale(0.9);
    transition: transform var(--csl-transition-md);
}

.csl-blockchain-hero__card:hover .csl-blockchain-hero__play-btn {
    transform: scale(1);
}


/* ═══════════════════════════════════════════════════════════════════════════
   3. KPO ALERT BAR
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-kpo {
    background: var(--csl-teal-50);
    border-top: 1px solid var(--csl-teal-100);
    border-bottom: 1px solid var(--csl-teal-100);
    padding: 16px 0;
}

.csl-blockchain-kpo__inner {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
}

@media (min-width: 768px) {
    .csl-blockchain-kpo__inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.csl-blockchain-kpo__content {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.csl-blockchain-kpo__icon {
    flex-shrink: 0;
    background: var(--csl-teal-100);
    padding: 8px;
    border-radius: var(--csl-radius-md);
    color: var(--csl-teal-700);
}

.csl-blockchain-kpo__text {
    font-size: 0.875rem;
    color: var(--csl-dark);
    font-weight: 500;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .csl-blockchain-kpo__text { font-size: 1rem; }
}

.csl-blockchain-kpo__link {
    display: flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--csl-purple);
    cursor: pointer;
    font-family: var(--csl-font);
    white-space: nowrap;
    transition: all var(--csl-transition);
}

.csl-blockchain-kpo__link:hover {
    text-decoration: underline;
}


/* ═══════════════════════════════════════════════════════════════════════════
   4. ECOSYSTEM CONTEXT
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-ecosystem {
    padding: 96px 0;
    background: var(--csl-body-bg);
    border-bottom: 1px solid var(--csl-border);
}

.csl-blockchain-ecosystem__inner {
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

.csl-blockchain-ecosystem__inner .csl-badge {
    margin-bottom: 24px;
}

.csl-blockchain-ecosystem__text {
    font-size: 1.125rem;
    color: var(--csl-dark);
    line-height: 1.7;
    font-weight: 500;
    margin-bottom: 48px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .csl-blockchain-ecosystem__text { font-size: 1.25rem; }
}

/* Preview Card */
.csl-blockchain-ecosystem__preview {
    position: relative;
    background: var(--csl-white);
    border-radius: 24px;
    box-shadow: var(--csl-shadow-xl);
    border: 1px solid var(--csl-border);
    padding: 8px;
    max-width: 800px;
    margin: 0 auto 32px;
    overflow: hidden;
    cursor: pointer;
}

.csl-blockchain-ecosystem__preview-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--csl-white), transparent, transparent);
    z-index: 10;
}

.csl-blockchain-ecosystem__preview-img {
    width: 100%;
    height: 256px;
    object-fit: cover;
    border-radius: var(--csl-radius-lg);
    opacity: 0.9;
    transition: transform 0.7s ease;
}

.csl-blockchain-ecosystem__preview:hover .csl-blockchain-ecosystem__preview-img {
    transform: scale(1.05);
}

.csl-blockchain-ecosystem__preview-cta {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
}


/* ═══════════════════════════════════════════════════════════════════════════
   5. PROBLEM SECTION
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-problems {
    padding: 96px 0;
    background: var(--csl-white);
}

.csl-blockchain-problems__header {
    text-align: center;
    max-width: 768px;
    margin: 0 auto 64px;
}

.csl-blockchain-problems__heading {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--csl-dark);
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .csl-blockchain-problems__heading { font-size: 2.25rem; }
}

.csl-blockchain-problems__lead {
    font-size: 1.125rem;
    color: var(--csl-muted);
    line-height: 1.6;
}

.csl-blockchain-problems__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 1024px) {
    .csl-blockchain-problems__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.csl-blockchain-problems__card {
    background: var(--csl-white);
    border: 1px solid #f3f4f6;
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--csl-shadow-sm);
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--csl-transition);
}

.csl-blockchain-problems__card:hover {
    box-shadow: var(--csl-shadow-xl);
}

.csl-blockchain-problems__card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--csl-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    border: 1px solid;
    box-shadow: var(--csl-shadow-sm);
}

.csl-blockchain-problems__card-icon--red {
    background: #f9fafb;
    border-color: #f3f4f6;
    color: #ef4444;
}

.csl-blockchain-problems__card-icon--orange {
    background: #f9fafb;
    border-color: #f3f4f6;
    color: #f97316;
}

.csl-blockchain-problems__card-icon--blue {
    background: #f9fafb;
    border-color: #f3f4f6;
    color: #3b82f6;
}

.csl-blockchain-problems__card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--csl-dark);
    margin-bottom: 24px;
}

.csl-blockchain-problems__card-section {
    margin-bottom: 16px;
}

.csl-blockchain-problems__card-label {
    font-size: 0.6875rem;
    font-weight: 900;
    color: var(--csl-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 8px;
}

.csl-blockchain-problems__card-text {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--csl-muted);
}

.csl-blockchain-problems__card-text--dark {
    color: var(--csl-dark);
    font-weight: 600;
}

.csl-blockchain-problems__card-standard {
    background: var(--csl-body-bg);
    border: 1px solid var(--csl-border);
    border-radius: var(--csl-radius-lg);
    padding: 20px;
    margin-top: 16px;
}


/* ═══════════════════════════════════════════════════════════════════════════
   6. PRIVACY / RODO
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-privacy {
    padding: 96px 0;
    background: var(--csl-body-bg);
    position: relative;
    overflow: hidden;
}

.csl-blockchain-privacy__accent {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(to left, rgba(82, 15, 125, 0.05), transparent);
    pointer-events: none;
}

.csl-blockchain-privacy__inner {
    position: relative;
    z-index: 10;
}

.csl-blockchain-privacy__inner .csl-badge {
    margin-bottom: 24px;
}

.csl-blockchain-privacy__header {
    max-width: 768px;
    margin-bottom: 64px;
}

.csl-blockchain-privacy__heading {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--csl-dark);
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .csl-blockchain-privacy__heading { font-size: 2.25rem; }
}

.csl-blockchain-privacy__lead {
    font-size: 1.125rem;
    color: var(--csl-muted);
    line-height: 1.6;
}

/* Privacy Card */
.csl-blockchain-privacy__card {
    background: var(--csl-white);
    border-radius: 24px;
    box-shadow: var(--csl-shadow-xl);
    border: 1px solid var(--csl-border);
    padding: 32px;
    margin-bottom: 32px;
}

@media (min-width: 768px) {
    .csl-blockchain-privacy__card { padding: 48px; }
}

.csl-blockchain-privacy__steps {
    display: flex;
    flex-direction: column;
    gap: 32px;
    position: relative;
}

@media (min-width: 768px) {
    .csl-blockchain-privacy__steps {
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
    }
}

.csl-blockchain-privacy__connector {
    display: none;
}

@media (min-width: 768px) {
    .csl-blockchain-privacy__connector {
        display: block;
        position: absolute;
        top: 50%;
        left: 0;
        width: 100%;
        height: 2px;
        background: #f3f4f6;
        transform: translateY(-50%);
        z-index: 0;
    }
}

.csl-blockchain-privacy__step {
    flex: 1;
    background: var(--csl-white);
    padding: 24px;
    border-radius: var(--csl-radius-lg);
    border: 1px solid #f3f4f6;
    box-shadow: var(--csl-shadow-sm);
    text-align: center;
    position: relative;
    z-index: 1;
}

.csl-blockchain-privacy__step-icon {
    width: 56px;
    height: 56px;
    background: var(--csl-body-bg);
    border: 1px solid var(--csl-border);
    border-radius: var(--csl-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--csl-purple);
}

.csl-blockchain-privacy__step-num {
    font-size: 0.6875rem;
    font-weight: 700;
    color: #9ca3af;
    display: block;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.csl-blockchain-privacy__step-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--csl-dark);
    margin-bottom: 8px;
}

.csl-blockchain-privacy__step-desc {
    font-size: 0.875rem;
    color: var(--csl-muted);
    line-height: 1.6;
}

.csl-blockchain-privacy__notice {
    text-align: center;
    color: var(--csl-muted);
    font-weight: 500;
    font-size: 0.875rem;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid #f3f4f6;
}

.csl-blockchain-privacy__notice strong {
    color: var(--csl-dark);
    font-weight: 700;
}

.csl-blockchain-privacy__cta {
    display: flex;
    justify-content: center;
}


/* ═══════════════════════════════════════════════════════════════════════════
   7. HOW IT WORKS (Verification Engine)
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-engine {
    padding: 96px 0;
    background: var(--csl-white);
}

.csl-blockchain-engine__header {
    text-align: center;
    margin-bottom: 64px;
}

.csl-blockchain-engine__heading {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--csl-dark);
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .csl-blockchain-engine__heading { font-size: 2.25rem; }
}

.csl-blockchain-engine__lead {
    font-size: 1.125rem;
    color: var(--csl-muted);
}

/* Engine Card */
.csl-blockchain-engine__card {
    background: var(--csl-body-bg);
    border-radius: 24px;
    box-shadow: var(--csl-shadow-sm);
    border: 1px solid var(--csl-border);
    overflow: hidden;
    margin-bottom: 24px;
}

.csl-blockchain-engine__cols {
    display: grid;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .csl-blockchain-engine__cols {
        grid-template-columns: 1fr 1fr;
    }
}

.csl-blockchain-engine__col {
    padding: 40px;
}

.csl-blockchain-engine__col--left {
    background: var(--csl-white);
}

@media (min-width: 768px) {
    .csl-blockchain-engine__col--left {
        border-right: 1px solid var(--csl-border);
    }
}

.csl-blockchain-engine__col--right {
    position: relative;
    background: linear-gradient(to bottom right, var(--csl-white), #f9fafb);
}

.csl-blockchain-engine__col-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--csl-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
    border: 1px solid;
}

.csl-blockchain-engine__col-icon--blue {
    background: #dbeafe;
    border-color: #93c5fd;
    color: #2563eb;
}

.csl-blockchain-engine__col-icon--purple {
    background: rgba(167, 139, 250, 0.15);
    border-color: rgba(167, 139, 250, 0.3);
    color: var(--csl-purple);
}

.csl-blockchain-engine__col-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--csl-dark);
    margin-bottom: 16px;
}

.csl-blockchain-engine__col-text {
    font-size: 1.125rem;
    color: var(--csl-muted);
    line-height: 1.7;
}

.csl-blockchain-engine__col-text strong {
    color: var(--csl-dark);
}

/* ZKP Expandable */
.csl-blockchain-engine__zkp {
    background: var(--csl-white);
    border: 1px solid var(--csl-border);
    border-radius: var(--csl-radius-lg);
    box-shadow: var(--csl-shadow-sm);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--csl-transition-md);
}

.csl-blockchain-engine__zkp:hover {
    box-shadow: var(--csl-shadow-md);
    border-color: #d1d5db;
}

.csl-blockchain-engine__zkp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 32px;
}

.csl-blockchain-engine__zkp-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.csl-blockchain-engine__zkp-icon {
    width: 48px;
    height: 48px;
    background: var(--csl-teal-50);
    border: 1px solid var(--csl-teal-100);
    border-radius: var(--csl-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--csl-teal-700);
}

.csl-blockchain-engine__zkp-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--csl-dark);
}

.csl-blockchain-engine__zkp-hint {
    font-size: 0.875rem;
    color: #6b7280;
    font-weight: 500;
}

.csl-blockchain-engine__zkp-chevron {
    width: 40px;
    height: 40px;
    background: #f9fafb;
    border-radius: var(--csl-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6b7280;
    transition: transform var(--csl-transition);
}

.csl-blockchain-engine__zkp.csl-accordion--open .csl-blockchain-engine__zkp-chevron {
    transform: rotate(180deg);
}

.csl-blockchain-engine__zkp-content {
    max-height: 0;
    overflow: hidden;
    background: #f9fafb;
    transition: max-height var(--csl-transition-lg);
}

.csl-blockchain-engine__zkp.csl-accordion--open .csl-blockchain-engine__zkp-content {
    border-top: 1px solid #f3f4f6;
}

.csl-blockchain-engine__zkp-content p {
    font-size: 1.125rem;
    color: var(--csl-muted);
    line-height: 1.7;
    max-width: 800px;
    padding: 16px 32px 32px;
}

.csl-blockchain-engine__zkp-content p strong {
    color: var(--csl-dark);
}


/* ═══════════════════════════════════════════════════════════════════════════
   8. INTEGRATION SECTION
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-integration {
    padding: 96px 0;
    background: var(--csl-body-bg);
    border-top: 1px solid var(--csl-border);
}

.csl-blockchain-integration__cols {
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
    align-items: center;
}

@media (min-width: 1024px) {
    .csl-blockchain-integration__cols {
        grid-template-columns: 1fr 1fr;
    }
}

.csl-blockchain-integration__heading {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--csl-dark);
    margin-bottom: 16px;
    line-height: 1.25;
}

@media (min-width: 768px) {
    .csl-blockchain-integration__heading { font-size: 2.25rem; }
}

.csl-blockchain-integration__lead {
    font-size: 1.125rem;
    color: var(--csl-muted);
    line-height: 1.7;
    margin-bottom: 40px;
}

/* Features */
.csl-blockchain-integration__features {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom: 40px;
}

.csl-blockchain-integration__feature {
    display: flex;
    gap: 20px;
}

.csl-blockchain-integration__feature-icon {
    flex-shrink: 0;
    margin-top: 4px;
    width: 40px;
    height: 40px;
    border-radius: var(--csl-radius-md);
    background: var(--csl-teal-100);
    border: 1px solid #99f6e4;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--csl-shadow-sm);
    color: var(--csl-teal-700);
}

.csl-blockchain-integration__feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--csl-dark);
    margin-bottom: 8px;
}

.csl-blockchain-integration__feature-desc {
    font-size: 1.125rem;
    color: var(--csl-muted);
    line-height: 1.6;
}

/* Diagram */
.csl-blockchain-integration__visual {
    position: relative;
}

@media (min-width: 1024px) {
    .csl-blockchain-integration__visual {
        padding-left: 40px;
    }
}

.csl-blockchain-integration__diagram {
    background: var(--csl-white);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--csl-border);
    cursor: pointer;
}

.csl-blockchain-integration__diagram-inner {
    background: var(--csl-dark-bg);
    border-radius: var(--csl-radius-lg);
    aspect-ratio: 4 / 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 40px;
}

.csl-blockchain-integration__diagram-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 24px;
}

.csl-blockchain-integration__diagram-box {
    padding: 12px 16px;
    border-radius: var(--csl-radius-md);
    font-family: monospace;
    font-size: 0.75rem;
    width: 100px;
    text-align: center;
    font-weight: 600;
    box-shadow: var(--csl-shadow-lg);
}

@media (min-width: 768px) {
    .csl-blockchain-integration__diagram-box {
        width: 128px;
        font-size: 0.875rem;
    }
}

.csl-blockchain-integration__diagram-box--blue {
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.5);
    color: #93c5fd;
}

.csl-blockchain-integration__diagram-box--purple {
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid rgba(139, 92, 246, 0.5);
    color: #c4b5fd;
}

.csl-blockchain-integration__diagram-line {
    flex: 1;
    height: 2px;
    background: #374151;
    position: relative;
    margin: 0 8px;
}

.csl-blockchain-integration__diagram-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #1f2937;
    font-size: 0.6875rem;
    padding: 4px 8px;
    border-radius: 4px;
    color: #9ca3af;
    font-family: monospace;
    white-space: nowrap;
}

.csl-blockchain-integration__diagram-dot {
    position: absolute;
    top: 50%;
    left: 0;
    width: 8px;
    height: 8px;
    border-radius: var(--csl-radius-full);
    background: #60a5fa;
    transform: translateY(-50%);
    animation: csl-ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes csl-ping {
    75%, 100% {
        transform: translateY(-50%) scale(2);
        opacity: 0;
    }
}

.csl-blockchain-integration__diagram-play {
    width: 80px;
    height: 80px;
    background: var(--csl-purple);
    border-radius: var(--csl-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--csl-shadow-xl);
    color: var(--csl-white);
    margin-top: 16px;
    border: 4px solid var(--csl-dark-bg);
    transition: transform var(--csl-transition);
}

.csl-blockchain-integration__diagram:hover .csl-blockchain-integration__diagram-play {
    transform: scale(1.1);
}

.csl-blockchain-integration__diagram-caption {
    color: var(--csl-white);
    font-weight: 700;
    letter-spacing: 0.05em;
    font-size: 1.125rem;
    margin-top: 8px;
}


/* ═══════════════════════════════════════════════════════════════════════════
   9. COMPLIANCE (Dark Section)
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-compliance {
    padding: 96px 0;
    background: var(--csl-dark-bg);
    color: var(--csl-white);
}

.csl-blockchain-compliance__header {
    text-align: center;
    margin-bottom: 64px;
}

.csl-blockchain-compliance__heading {
    font-size: 1.875rem;
    font-weight: 900;
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .csl-blockchain-compliance__heading { font-size: 2.25rem; }
}

.csl-blockchain-compliance__lead {
    font-size: 1.125rem;
    color: #9ca3af;
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.6;
}

.csl-blockchain-compliance__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 64px;
}

@media (min-width: 768px) {
    .csl-blockchain-compliance__grid {
        grid-template-columns: 1fr 1fr;
    }
}

.csl-blockchain-compliance__card {
    background: var(--csl-dark-card);
    border: 1px solid #374151;
    border-radius: var(--csl-radius-lg);
    padding: 32px;
    transition: border-color var(--csl-transition);
}

.csl-blockchain-compliance__card:hover {
    border-color: rgba(82, 15, 125, 0.5);
}

.csl-blockchain-compliance__card-icon {
    width: 56px;
    height: 56px;
    background: rgba(82, 15, 125, 0.2);
    border-radius: var(--csl-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    border: 1px solid rgba(82, 15, 125, 0.3);
    color: var(--csl-purple-a);
}

.csl-blockchain-compliance__card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.csl-blockchain-compliance__card-desc {
    font-size: 1.125rem;
    color: #9ca3af;
    line-height: 1.6;
}

/* Trust Wall */
.csl-blockchain-compliance__trust {
    border-top: 1px solid #374151;
    padding-top: 48px;
}

.csl-blockchain-compliance__trust-label {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 32px;
}

.csl-blockchain-compliance__trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.csl-blockchain-compliance__trust-badge {
    padding: 12px 20px;
    border-radius: var(--csl-radius-md);
    border: 1px solid #374151;
    background: var(--csl-dark-card);
    font-size: 0.875rem;
    font-weight: 700;
    color: #d1d5db;
    box-shadow: var(--csl-shadow-sm);
}

.csl-blockchain-compliance__trust-cta {
    text-align: center;
}


/* ═══════════════════════════════════════════════════════════════════════════
   10. USE CASES (Tabs)
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-usecases {
    padding: 96px 0;
    background: var(--csl-white);
}

.csl-blockchain-usecases__header {
    text-align: center;
    margin-bottom: 64px;
}

.csl-blockchain-usecases__heading {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--csl-dark);
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .csl-blockchain-usecases__heading { font-size: 2.25rem; }
}

.csl-blockchain-usecases__lead {
    font-size: 1.125rem;
    color: var(--csl-muted);
}

/* Tabs */
.csl-blockchain-usecases__tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
}

.csl-blockchain-usecases__tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: var(--csl-radius-md);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    border: 1px solid var(--csl-border);
    background: var(--csl-body-bg);
    color: var(--csl-muted);
    transition: all var(--csl-transition);
    font-family: var(--csl-font);
}

.csl-blockchain-usecases__tab:hover {
    background: #f3f4f6;
    border-color: #d1d5db;
}

.csl-blockchain-usecases__tab.is-active {
    background: var(--csl-purple);
    color: var(--csl-white);
    border-color: var(--csl-purple);
    box-shadow: var(--csl-shadow-lg);
}

/* Panels */
.csl-blockchain-usecases__panels {
    background: var(--csl-body-bg);
    border-radius: 24px;
    border: 1px solid var(--csl-border);
    padding: 32px;
    box-shadow: var(--csl-shadow-sm);
    min-height: 450px;
}

@media (min-width: 768px) {
    .csl-blockchain-usecases__panels { padding: 64px; }
}

.csl-blockchain-usecases__panel-cols {
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
    align-items: center;
}

@media (min-width: 768px) {
    .csl-blockchain-usecases__panel-cols {
        grid-template-columns: 1fr 1fr;
    }
}

.csl-blockchain-usecases__panel-title {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--csl-dark);
    margin-bottom: 32px;
}

.csl-blockchain-usecases__examples {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom: 40px;
}

.csl-blockchain-usecases__example h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--csl-dark);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.csl-blockchain-usecases__example h4 .csl-icon {
    color: var(--csl-teal-700);
    flex-shrink: 0;
}

.csl-blockchain-usecases__example p {
    font-size: 1.125rem;
    color: var(--csl-muted);
    line-height: 1.6;
    padding-left: 32px;
}

/* Visual panels */
.csl-blockchain-usecases__panel-visual {
    border-radius: 24px;
    border: 1px solid var(--csl-border);
    padding: 16px;
    box-shadow: var(--csl-shadow-lg);
    position: relative;
    cursor: pointer;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--csl-white);
}

.csl-blockchain-usecases__panel-visual--overlay {
    background-size: cover;
    background-position: center;
}

.csl-blockchain-usecases__panel-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--csl-radius-lg);
    opacity: 0.6;
    mix-blend-mode: multiply;
}

.csl-blockchain-usecases__panel-img--muted {
    opacity: 0.3;
    mix-blend-mode: luminosity;
}

.csl-blockchain-usecases__panel-play {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--csl-purple);
    border-radius: var(--csl-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    color: var(--csl-white);
    transition: transform var(--csl-transition);
}

.csl-blockchain-usecases__panel-visual:hover .csl-blockchain-usecases__panel-play {
    transform: scale(1.1);
}

.csl-blockchain-usecases__panel-label-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: 24px;
    border-radius: var(--csl-radius-lg);
    box-shadow: var(--csl-shadow-xl);
    text-align: center;
    border: 1px solid #f3f4f6;
    position: relative;
    z-index: 2;
}

.csl-blockchain-usecases__panel-label-card .csl-icon {
    color: var(--csl-purple);
    display: block;
    margin: 0 auto 12px;
}

.csl-blockchain-usecases__panel-label-card span {
    font-weight: 900;
    font-size: 1.125rem;
    color: var(--csl-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.csl-blockchain-usecases__panel-badge-floating {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--csl-white);
    padding: 8px 24px;
    border-radius: var(--csl-radius-full);
    box-shadow: var(--csl-shadow-md);
    font-weight: 900;
    font-size: 0.75rem;
    color: var(--csl-dark);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    z-index: 10;
}


/* ═══════════════════════════════════════════════════════════════════════════
   11. IMPLEMENTATION
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-impl {
    padding: 96px 0;
    background: var(--csl-body-bg);
    border-top: 1px solid var(--csl-border);
    border-bottom: 1px solid var(--csl-border);
}

.csl-blockchain-impl__cols {
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
}

@media (min-width: 1024px) {
    .csl-blockchain-impl__cols {
        grid-template-columns: 1fr 1fr;
    }
}

/* Start */
.csl-blockchain-impl__start {
    background: var(--csl-white);
    border-radius: 24px;
    padding: 40px;
    border: 1px solid var(--csl-border);
    box-shadow: var(--csl-shadow-sm);
}

@media (min-width: 768px) {
    .csl-blockchain-impl__start { padding: 48px; }
}

.csl-blockchain-impl__start-heading {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--csl-dark);
    margin-bottom: 40px;
}

.csl-blockchain-impl__timeline {
    display: flex;
    flex-direction: column;
    gap: 40px;
    position: relative;
}

.csl-blockchain-impl__timeline-line {
    position: absolute;
    left: 28px;
    top: 28px;
    bottom: 28px;
    width: 2px;
    background: #f3f4f6;
}

.csl-blockchain-impl__step {
    display: flex;
    gap: 24px;
    position: relative;
    z-index: 1;
}

.csl-blockchain-impl__step-num {
    width: 56px;
    height: 56px;
    border-radius: var(--csl-radius-lg);
    background: var(--csl-white);
    border: 1px solid rgba(82, 15, 125, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    color: var(--csl-purple);
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: 0 1px 3px rgba(82, 15, 125, 0.05);
}

.csl-blockchain-impl__step-title {
    font-weight: 700;
    color: var(--csl-dark);
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.csl-blockchain-impl__step-desc {
    color: var(--csl-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* Benefits */
.csl-blockchain-impl__benefits {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 16px;
}

.csl-blockchain-impl__benefits-heading {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--csl-dark);
    margin-bottom: 40px;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .csl-blockchain-impl__benefits-heading { font-size: 2.25rem; }
}

.csl-blockchain-impl__benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.csl-blockchain-impl__benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: var(--csl-white);
    padding: 24px;
    border-radius: var(--csl-radius-lg);
    border: 1px solid #f3f4f6;
    box-shadow: var(--csl-shadow-sm);
}

.csl-blockchain-impl__check {
    width: 32px;
    height: 32px;
    border-radius: var(--csl-radius-sm);
    background: var(--csl-teal-100);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--csl-teal-700);
}

.csl-blockchain-impl__benefits-list li span {
    font-size: 1.125rem;
    color: #495057;
    font-weight: 500;
    line-height: 1.6;
}


/* ═══════════════════════════════════════════════════════════════════════════
   12. INTERACTIVE RECEIPT DEMO
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-receipt {
    padding: 96px 0;
    background: var(--csl-white);
    border-bottom: 1px solid #f3f4f6;
}

.csl-blockchain-receipt__header {
    text-align: center;
    margin-bottom: 64px;
}

.csl-blockchain-receipt__heading {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--csl-dark);
    margin-bottom: 16px;
}

@media (min-width: 768px) {
    .csl-blockchain-receipt__heading { font-size: 2.25rem; }
}

.csl-blockchain-receipt__lead {
    font-size: 1.125rem;
    color: var(--csl-muted);
}

.csl-blockchain-receipt__wrapper {
    background: var(--csl-body-bg);
    border-radius: 32px;
    box-shadow: var(--csl-shadow-xl);
    border: 1px solid var(--csl-border);
    overflow: hidden;
    margin-bottom: 40px;
    max-width: 768px;
    margin-left: auto;
    margin-right: auto;
    padding: 16px;
}

/* Card */
.csl-blockchain-receipt__card {
    background: var(--csl-white);
    border-radius: var(--csl-radius-lg);
    border: 1px solid var(--csl-border);
    overflow: hidden;
    box-shadow: var(--csl-shadow-sm);
}

.csl-blockchain-receipt__card-header {
    background: var(--csl-dark-bg);
    padding: 20px 32px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: var(--csl-white);
}

@media (min-width: 640px) {
    .csl-blockchain-receipt__card-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.csl-blockchain-receipt__card-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.csl-blockchain-receipt__card-header-left .csl-icon {
    color: #2dd4bf;
}

.csl-blockchain-receipt__card-header-left span {
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.875rem;
}

.csl-blockchain-receipt__ref {
    font-size: 0.75rem;
    font-family: monospace;
    opacity: 0.6;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 12px;
    border-radius: var(--csl-radius-sm);
}

/* Card Body */
.csl-blockchain-receipt__card-body {
    padding: 32px;
}

@media (min-width: 768px) {
    .csl-blockchain-receipt__card-body { padding: 40px; }
}

.csl-blockchain-receipt__status-row {
    display: flex;
    flex-direction: column;
    gap: 24px;
    border-bottom: 1px solid #f3f4f6;
    padding-bottom: 32px;
    margin-bottom: 32px;
}

@media (min-width: 640px) {
    .csl-blockchain-receipt__status-row {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.csl-blockchain-receipt__label {
    font-size: 0.6875rem;
    font-weight: 900;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 12px;
}

.csl-blockchain-receipt__verified,
.csl-blockchain-receipt__tampered {
    display: flex;
    align-items: center;
    gap: 12px;
}

.csl-blockchain-receipt__status-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--csl-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.csl-blockchain-receipt__status-icon--green {
    background: var(--csl-green-100);
    color: var(--csl-green-600);
}

.csl-blockchain-receipt__status-icon--red {
    background: var(--csl-red-100);
    color: var(--csl-red-600);
    animation: csl-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes csl-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.csl-blockchain-receipt__status-text {
    font-weight: 900;
    letter-spacing: -0.01em;
}

.csl-blockchain-receipt__status-text--green {
    color: var(--csl-green-700);
    font-size: 1.5rem;
}

.csl-blockchain-receipt__status-text--red {
    color: var(--csl-red-700);
    font-size: 1.25rem;
    line-height: 1.2;
    text-transform: uppercase;
}

.csl-blockchain-receipt__timestamp {
    text-align: left;
}

@media (min-width: 640px) {
    .csl-blockchain-receipt__timestamp { text-align: right; }
}

.csl-blockchain-receipt__mono-lg {
    font-family: monospace;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--csl-dark);
}

/* Data Grid */
.csl-blockchain-receipt__data-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

@media (min-width: 640px) {
    .csl-blockchain-receipt__data-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.csl-blockchain-receipt__data-cell {
    background: #f9fafb;
    padding: 20px;
    border-radius: var(--csl-radius-md);
    border: 1px solid #f3f4f6;
}

.csl-blockchain-receipt__data-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.6875rem;
    font-weight: 700;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.csl-blockchain-receipt__data-value {
    font-weight: 600;
    color: var(--csl-dark);
    font-size: 0.875rem;
    word-break: break-all;
    margin-bottom: 4px;
}

.csl-blockchain-receipt__data-hash {
    font-family: monospace;
    color: var(--csl-dark);
    font-size: 0.75rem;
    word-break: break-all;
    background: var(--csl-white);
    padding: 4px 8px;
    border: 1px solid var(--csl-border);
    border-radius: 4px;
    margin-bottom: 4px;
}

.csl-blockchain-receipt__data-hint {
    font-size: 0.75rem;
    color: #6b7280;
}

/* Alert */
.csl-blockchain-receipt__alert {
    background: var(--csl-red-50);
    border: 1px solid var(--csl-red-200);
    color: var(--csl-red-700);
    padding: 16px;
    border-radius: var(--csl-radius-md);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Controls */
.csl-blockchain-receipt__controls {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.csl-blockchain-receipt__controls-label {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--csl-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.csl-blockchain-receipt__controls-btns {
    display: flex;
    gap: 16px;
}

.csl-blockchain-receipt__btn {
    padding: 12px 24px;
    border-radius: var(--csl-radius-md);
    font-weight: 700;
    font-size: 0.875rem;
    border: 2px solid;
    background: var(--csl-white);
    cursor: pointer;
    font-family: var(--csl-font);
    transition: all var(--csl-transition);
}

.csl-blockchain-receipt__btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.csl-blockchain-receipt__btn--red {
    border-color: var(--csl-red-200);
    color: var(--csl-red-600);
}

.csl-blockchain-receipt__btn--red:hover:not(:disabled) {
    background: var(--csl-red-50);
}

.csl-blockchain-receipt__btn--green {
    border-color: #bbf7d0;
    color: var(--csl-green-700);
}

.csl-blockchain-receipt__btn--green:hover:not(:disabled) {
    background: var(--csl-green-100);
}

/* Download */
.csl-blockchain-receipt__download {
    text-align: center;
}

.csl-blockchain-receipt__download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--csl-purple);
    font-weight: 700;
    font-size: 1rem;
    background: rgba(82, 15, 125, 0.05);
    padding: 12px 24px;
    border-radius: var(--csl-radius-full);
    border: none;
    cursor: pointer;
    font-family: var(--csl-font);
    transition: all var(--csl-transition);
}

.csl-blockchain-receipt__download-btn:hover {
    text-decoration: underline;
}


/* ═══════════════════════════════════════════════════════════════════════════
   13. FAQ
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-faq {
    padding: 96px 0;
    background: var(--csl-body-bg);
}

.csl-blockchain-faq__header {
    text-align: center;
    margin-bottom: 64px;
}

.csl-blockchain-faq__heading {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--csl-dark);
}

.csl-blockchain-faq__list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.csl-blockchain-faq__item {
    background: var(--csl-white);
    border: 1px solid var(--csl-border);
    border-radius: var(--csl-radius-lg);
    overflow: hidden;
    box-shadow: var(--csl-shadow-sm);
    transition: box-shadow var(--csl-transition);
}

.csl-blockchain-faq__item:hover {
    box-shadow: var(--csl-shadow-md);
}

.csl-blockchain-faq__question {
    width: 100%;
    padding: 24px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--csl-font);
}

.csl-blockchain-faq__question span {
    font-weight: 700;
    color: var(--csl-dark);
    font-size: 1.125rem;
    padding-right: 32px;
}

.csl-blockchain-faq__question .csl-icon {
    color: #9ca3af;
    flex-shrink: 0;
    transition: transform var(--csl-transition);
}

.csl-blockchain-faq__item.is-open .csl-blockchain-faq__question .csl-icon {
    transform: rotate(180deg);
}

.csl-blockchain-faq__answer {
    padding: 0 32px 32px;
    border-top: 1px solid #f9fafb;
}

.csl-blockchain-faq__answer p {
    font-size: 1.125rem;
    color: var(--csl-muted);
    line-height: 1.7;
    padding-top: 8px;
}

.csl-blockchain-faq__extra {
    margin-top: 64px;
    text-align: center;
}


/* ═══════════════════════════════════════════════════════════════════════════
   14. CROSS-LINKING
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-crosslink {
    padding: 96px 0;
    background: var(--csl-white);
    border-top: 1px solid var(--csl-border);
}

.csl-blockchain-crosslink__header {
    text-align: center;
    margin-bottom: 64px;
}

.csl-blockchain-crosslink__header .csl-badge {
    margin-bottom: 32px;
}

.csl-blockchain-crosslink__heading {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--csl-dark);
}

@media (min-width: 768px) {
    .csl-blockchain-crosslink__heading { font-size: 2.25rem; }
}

.csl-blockchain-crosslink__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: left;
}

@media (min-width: 768px) {
    .csl-blockchain-crosslink__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.csl-blockchain-crosslink__col {
    background: var(--csl-body-bg);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--csl-border);
    box-shadow: var(--csl-shadow-sm);
    transition: box-shadow var(--csl-transition);
}

.csl-blockchain-crosslink__col:hover {
    box-shadow: var(--csl-shadow-md);
}

.csl-blockchain-crosslink__col-title {
    font-weight: 700;
    color: var(--csl-dark);
    font-size: 1.25rem;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.csl-blockchain-crosslink__col-title .csl-icon {
    color: var(--csl-purple);
}

.csl-blockchain-crosslink__links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.csl-blockchain-crosslink__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--csl-purple);
    font-weight: 600;
    font-size: 1.125rem;
    padding: 12px;
    border-radius: var(--csl-radius-md);
    border: 1px solid transparent;
    transition: all var(--csl-transition);
}

.csl-blockchain-crosslink__link:hover {
    background: var(--csl-white);
    border-color: var(--csl-border);
}


/* ═══════════════════════════════════════════════════════════════════════════
   15. FINAL CTA (BOFU)
   ═══════════════════════════════════════════════════════════════════════════ */
.csl-blockchain-cta {
    padding: 96px 16px;
    background: var(--csl-purple);
    text-align: center;
}

.csl-blockchain-cta__heading {
    font-size: 2rem;
    font-weight: 900;
    color: var(--csl-white);
    margin-bottom: 32px;
    line-height: 1.15;
}

@media (min-width: 768px) {
    .csl-blockchain-cta__heading { font-size: 2.5rem; }
}

@media (min-width: 1024px) {
    .csl-blockchain-cta__heading { font-size: 3rem; }
}

@media (min-width: 1280px) {
    .csl-blockchain-cta__heading { font-size: 3.5rem; }
}

.csl-blockchain-cta__text {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 48px;
    line-height: 1.7;
    max-width: 768px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .csl-blockchain-cta__text { font-size: 1.5rem; }
}

.csl-blockchain-cta__buttons {
    display: flex;
    flex-direction: column;
    gap: 24px;
    justify-content: center;
    margin-bottom: 40px;
}

@media (min-width: 640px) {
    .csl-blockchain-cta__buttons {
        flex-direction: row;
    }
}

.csl-blockchain-cta__kpo-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0 auto;
    background: none;
    border: none;
    border-bottom: 1px solid transparent;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    font-family: var(--csl-font);
    padding-bottom: 4px;
    transition: all var(--csl-transition);
}

.csl-blockchain-cta__kpo-link:hover {
    color: var(--csl-white);
    border-bottom-color: var(--csl-white);
}