:root {
    --platform-dark-surface: rgba(7, 12, 16, 0.84);
    --platform-dark-surface-strong: rgba(3, 7, 10, 0.92);
    --platform-dark-border: rgba(255, 255, 255, 0.09);
    --platform-dark-text: #f8fafc;
    --platform-dark-shadow: 0 24px 60px rgba(0, 0, 0, 0.42);
}

html.dark {
    background-color: #000000;
    background-image: none;
}

.dark body.platform-page-body {
    position: relative;
    background: transparent;
    color: var(--platform-dark-text);
}

.dark body.platform-page-body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(circle at top center, rgba(255, 255, 255, 0.16), transparent 28%),
        radial-gradient(circle at 42% 38%, rgba(52, 211, 153, 0.16), transparent 24%),
        radial-gradient(circle at left center, rgba(16, 185, 129, 0.10), transparent 28%),
        linear-gradient(180deg, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.92) 56%, rgba(0, 0, 0, 0.98) 100%),
        url("../img/platform-dark-bg.png") center top / cover no-repeat;
}

.dark body.platform-page-body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.05), transparent 24%),
        linear-gradient(180deg, rgba(0, 0, 0, 0.14), rgba(0, 0, 0, 0.52));
    pointer-events: none;
}

.dark .site-header::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(52, 211, 153, 0.55), transparent);
    pointer-events: none;
}

.dark .glassmorphism,
.dark .site-mobile-menu {
    background: rgba(0, 0, 0, 0.58);
    border-bottom: 1px solid var(--platform-dark-border);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.38);
    backdrop-filter: blur(22px) saturate(150%);
    -webkit-backdrop-filter: blur(22px) saturate(150%);
}

.dark #theme-toggle,
.dark #mobile-menu-button {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.dark #theme-toggle:hover,
.dark #mobile-menu-button:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(52, 211, 153, 0.28);
}

.dark .platform-primary-cta {
    background: linear-gradient(135deg, #10b981, #34d399) !important;
    color: #03130a !important;
    border: 1px solid rgba(110, 231, 183, 0.34);
    box-shadow: 0 18px 32px rgba(16, 185, 129, 0.18);
}

.dark .platform-primary-cta:hover {
    background: linear-gradient(135deg, #34d399, #6ee7b7) !important;
    box-shadow: 0 22px 36px rgba(16, 185, 129, 0.24);
    transform: translateY(-1px);
}

.dark .platform-shell,
.dark .platform-article-card,
.dark .platform-data-card,
.dark .platform-step-card,
.dark .platform-map-shell,
.dark .platform-convenios-grid > div,
.dark .platform-steps-grid > div,
.dark .contact-platform-card {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background: linear-gradient(180deg, var(--platform-dark-surface) 0%, var(--platform-dark-surface-strong) 100%);
    border: 1px solid var(--platform-dark-border) !important;
    box-shadow: var(--platform-dark-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(18px) saturate(145%);
    -webkit-backdrop-filter: blur(18px) saturate(145%);
}

.dark .platform-shell::before,
.dark .platform-article-card::before,
.dark .platform-data-card::before,
.dark .platform-step-card::before,
.dark .platform-map-shell::before,
.dark .platform-convenios-grid > div::before,
.dark .platform-steps-grid > div::before,
.dark .contact-platform-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at top center, rgba(52, 211, 153, 0.12), transparent 42%);
    pointer-events: none;
}

.dark .platform-shell > *,
.dark .platform-article-card > *,
.dark .platform-data-card > *,
.dark .platform-step-card > *,
.dark .platform-map-shell > *,
.dark .platform-convenios-grid > div > *,
.dark .platform-steps-grid > div > *,
.dark .contact-platform-card > * {
    position: relative;
    z-index: 1;
}

.dark .platform-convenios-grid > div > .absolute {
    position: absolute;
    z-index: 2;
    width: auto;
    display: inline-flex;
}

.dark .platform-data-card:hover,
.dark .platform-step-card:hover,
.dark .platform-convenios-grid > div:hover,
.dark .platform-steps-grid > div:hover {
    border-color: rgba(52, 211, 153, 0.34) !important;
    box-shadow:
        0 26px 60px rgba(0, 0, 0, 0.48),
        0 0 0 1px rgba(52, 211, 153, 0.16),
        0 0 28px rgba(16, 185, 129, 0.18);
}

.dark .platform-step-image-shell {
    border-color: rgba(255, 255, 255, 0.10) !important;
    box-shadow: 0 18px 32px rgba(0, 0, 0, 0.22);
}

.dark .platform-map-shell #mapa-convenios {
    position: relative;
    z-index: 1;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.dark .platform-inline-note {
    background: rgba(255, 255, 255, 0.05) !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
    color: #e2e8f0 !important;
}

.dark .platform-info-banner {
    background: rgba(16, 185, 129, 0.08) !important;
    border-color: rgba(52, 211, 153, 0.22) !important;
    color: #d1fae5 !important;
}

.dark .platform-info-badge {
    border-color: rgba(52, 211, 153, 0.22) !important;
    background: rgba(0, 0, 0, 0.22) !important;
    color: #ecfdf5 !important;
}

.dark .platform-prose a,
.dark .platform-data-card a:not(.platform-primary-cta),
.dark .platform-shell a:not(.platform-primary-cta) {
    color: #a7f3d0;
}

.dark .platform-prose a:hover,
.dark .platform-data-card a:not(.platform-primary-cta):hover,
.dark .platform-shell a:not(.platform-primary-cta):hover {
    color: #d1fae5;
}

.dark .new-footer-style {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.72), rgba(3, 7, 10, 0.88));
    border-color: var(--platform-dark-border);
    box-shadow: var(--platform-dark-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.dark .new-footer-style .footer-link {
    color: #d1fae5;
}

.dark .new-footer-style .footer-link:hover {
    color: #34d399;
}

.dark .footer-separator {
    border-color: rgba(255, 255, 255, 0.08);
}

.dark #contact-popup {
    background: rgba(0, 0, 0, 0.74);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.dark .contact-copy-row {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.dark #whatsapp-float-button.platform-whatsapp-float {
    z-index: 30;
}