:root {
    --bg: #020814;
    --bg-deep: #00040d;
    --bg-soft: #061224;
    --panel: rgba(8, 20, 38, 0.78);
    --panel-strong: rgba(10, 25, 48, 0.96);
    --panel-soft: rgba(255,255,255,0.045);
    --line: rgba(82, 155, 255, 0.19);
    --line-strong: rgba(0, 184, 255, 0.38);
    --text: #f6f8fc;
    --muted: #a3b2c7;
    --muted-2: #72839a;
    --blue: #007BFF;
    --blue-2: #00B8FF;
    --green: #13b83f;
    --purple: #8b5cf6;
    --amber: #f59e0b;
    --danger: #f43f5e;
    --shadow: 0 24px 90px rgba(0, 123, 255, 0.16);
    --shadow-soft: 0 16px 40px rgba(0,0,0,.22);
    --radius: 24px;
    --radius-lg: 32px;
    --max: 1220px;
    --header-h: 82px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background:
        radial-gradient(circle at 12% 4%, rgba(0, 184, 255, 0.22), transparent 27%),
        radial-gradient(circle at 82% 6%, rgba(0, 123, 255, 0.15), transparent 32%),
        linear-gradient(180deg, #020814 0%, #01050d 50%, #020814 100%);
    color: var(--text);
    font-family: Inter, Poppins, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
    min-width: 320px;
}
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.7), transparent 82%);
    z-index: -1;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
.site-shell { min-height: 100vh; overflow-x: clip; }

.site-header {
    width: min(var(--max), calc(100% - 28px));
    margin: 12px auto 0;
    min-height: var(--header-h);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    position: sticky;
    top: 12px;
    z-index: 70;
    backdrop-filter: blur(22px);
    background: linear-gradient(180deg, rgba(3, 10, 21, 0.86), rgba(3, 10, 21, 0.68));
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: 0 16px 55px rgba(0,0,0,.25);
}
.brand { width: 220px; min-width: 150px; display: inline-flex; align-items: center; }
.brand-logo { width: 100%; height: auto; filter: drop-shadow(0 0 18px rgba(0,123,255,.22)); }
.main-nav { display: flex; align-items: center; gap: 6px; color: var(--muted); font-weight: 800; font-size: 0.92rem; }
.main-nav a { padding: 11px 12px; border-radius: 14px; transition: color .2s ease, background .2s ease, transform .2s ease; }
.main-nav a:hover, .main-nav a.active { color: var(--text); background: rgba(0,123,255,.10); }
.nav-admin { margin-left: 6px; padding: 12px 17px !important; border-radius: 15px !important; background: linear-gradient(135deg, var(--blue), #135dff); color: white !important; box-shadow: 0 0 28px rgba(0,123,255,.38); }
.menu-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--line); background: rgba(255,255,255,.035); border-radius: 15px; padding: 11px; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; background: white; margin: 5px 0; border-radius: 5px; transition: .2s ease; }
.menu-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-active span:nth-child(2) { opacity: 0; }
.menu-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero-section, .section-block, .quick-benefits, .site-footer {
    width: min(var(--max), calc(100% - 28px));
    margin-left: auto;
    margin-right: auto;
}
.hero-section {
    padding: 72px 0 44px;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(420px, .88fr);
    gap: 44px;
    align-items: center;
}
.hero-content { position: relative; z-index: 2; }
.eyebrow { color: var(--blue-2); font-weight: 900; letter-spacing: .08em; text-transform: uppercase; font-size: .78rem; margin-bottom: 12px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(3.1rem, 7.2vw, 6.8rem); line-height: .9; letter-spacing: -0.065em; margin-bottom: 24px; }
h1 span, .text-gradient { display: block; background: linear-gradient(90deg, var(--blue-2), var(--blue) 55%, #7dd3fc); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { font-size: clamp(2rem, 4.5vw, 3.6rem); line-height: .98; letter-spacing: -0.048em; margin-bottom: 14px; }
h3 { font-size: 1.16rem; margin-bottom: 8px; }
.hero-copy { font-size: clamp(1rem, 1.6vw, 1.22rem); color: #d7e2ef; max-width: 650px; margin-bottom: 26px; }
.hero-actions, .system-actions, .inline-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 50px; padding: 0 22px; border-radius: 15px; border: 1px solid transparent; cursor: pointer; font-weight: 900; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease; text-align: center; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--blue), #165dff); color: white; box-shadow: 0 0 30px rgba(0,123,255,.28); }
.btn-secondary { background: rgba(255,255,255,.04); color: white; border-color: var(--line-strong); }
.btn-whatsapp { background: linear-gradient(135deg, #18be45, #07812b); color: white; box-shadow: 0 0 26px rgba(19,184,63,.24); }
.btn-small { min-height: 40px; padding: 0 14px; font-size: .88rem; border-radius: 12px; }
.btn-large { min-height: 58px; padding: 0 26px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; color: #dce8f7; }
.trust-row span { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: rgba(6,18,36,.72); padding: 10px 14px; border-radius: 999px; box-shadow: inset 0 0 18px rgba(0,123,255,.04); }
.trust-row span::before { content: '✓'; width: 20px; height: 20px; border-radius: 999px; display: grid; place-items: center; background: linear-gradient(135deg, var(--blue), var(--blue-2)); color: white; font-size: .76rem; }

.hero-preview { min-height: 420px; display: grid; place-items: center; position: relative; }
.preview-card { border: 1px solid var(--line); background: linear-gradient(145deg, rgba(13,29,54,.92), rgba(3,10,21,.86)); border-radius: 30px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.preview-card::before, .glass-card::before, .price-card::before, .system-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,.08), transparent 34%); pointer-events: none; opacity: .68; }
.preview-card-main { width: 100%; max-width: 540px; padding: 22px; transform: perspective(950px) rotateY(-10deg) rotateX(5deg); }
.preview-card-main:after { content: ''; position: absolute; inset: auto -20% -25% -20%; height: 185px; background: radial-gradient(circle, rgba(0,123,255,.42), transparent 65%); }
.preview-top { display: flex; gap: 8px; margin-bottom: 20px; }
.preview-top span { width: 12px; height: 12px; border-radius: 999px; background: var(--blue-2); opacity: .85; }
.preview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 18px; }
.preview-grid div { min-height: 78px; border-radius: 18px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.07); padding: 12px; }
.preview-grid div::before { content: ''; display: block; width: 52%; height: 8px; border-radius: 20px; background: rgba(255,255,255,.18); margin-bottom: 14px; }
.preview-grid div::after { content: ''; display: block; width: 76%; height: 18px; border-radius: 20px; background: linear-gradient(90deg, rgba(0,184,255,.36), rgba(0,123,255,.18)); }
.preview-chart { height: 200px; border-radius: 24px; background: linear-gradient(180deg, rgba(0,123,255,.12), rgba(0,184,255,.03)); border: 1px solid rgba(0,123,255,.18); position: relative; overflow: hidden; }
.preview-chart i { position: absolute; inset: 58% 10% auto 10%; height: 4px; background: linear-gradient(90deg, var(--blue-2), var(--blue)); border-radius: 999px; transform: rotate(-8deg); box-shadow: 70px -30px 0 var(--blue), 168px 16px 0 var(--blue-2), 265px -34px 0 var(--blue), 340px -8px 0 var(--blue-2); }
.preview-chart::after { content: ''; position: absolute; inset: 16px; border-radius: 18px; background: repeating-linear-gradient(to right, rgba(255,255,255,.045) 0 1px, transparent 1px 64px), repeating-linear-gradient(to bottom, rgba(255,255,255,.04) 0 1px, transparent 1px 46px); }
.demo-aside { position: absolute; right: 0; top: 20px; width: min(350px, 92%); transform: translateX(10%) translateY(8%); z-index: 3; }

.quick-benefits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 22px; }
.quick-benefits article, .system-card, .price-card, .empty-state, .demo-modal-card, .split-section, .glass-card, .faq-item, .final-cta, .demo-aside, .contact-card {
    border: 1px solid var(--line);
    background: var(--panel);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(16px);
}
.quick-benefits article { padding: 22px; display: grid; gap: 8px; position: relative; overflow: hidden; }
.benefit-icon, .system-icon, .step-icon, .final-cta-icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 18px; background: linear-gradient(135deg, rgba(0,184,255,.20), rgba(0,123,255,.36)); font-size: 1.65rem; box-shadow: inset 0 0 22px rgba(0,123,255,.12); }
.quick-benefits strong { display: block; font-size: 1.04rem; }
.quick-benefits span, .system-card p, .section-heading p, .empty-state p, .price-card p, .site-footer p, .footer-col a, .footer-col span, .faq-answer, .step-card p, .contact-card p { color: var(--muted); }
.section-block { padding-top: 48px; padding-bottom: 44px; }
.section-heading { text-align: center; max-width: 780px; margin: 0 auto 30px; }
.section-heading.left { text-align: left; margin-left: 0; }

.systems-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; margin: -8px 0 24px; }
.filter-chip { border: 1px solid var(--line); color: var(--muted); background: rgba(255,255,255,.035); min-height: 40px; padding: 0 15px; border-radius: 999px; font-weight: 800; cursor: pointer; transition: .2s ease; }
.filter-chip:hover, .filter-chip.is-active { color: white; border-color: var(--line-strong); background: rgba(0,123,255,.16); }
.systems-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.system-card { padding: 20px; display: grid; grid-template-columns: 64px 1fr; gap: 16px; align-items: start; position: relative; overflow: hidden; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.system-card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: 0 20px 52px rgba(0,123,255,.16); }
.system-icon { font-size: 1.75rem; }
.system-card h3 { margin-bottom: 6px; }
.system-card small, .status-dot { color: #58df75; }
.status-dot::before { content: ''; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #22c55e; margin-right: 7px; box-shadow: 0 0 12px rgba(34,197,94,.75); }
.system-actions { grid-column: 1 / -1; }
.system-actions .btn { flex: 1 1 auto; }
.system-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.meta-pill { display: inline-flex; border-radius: 999px; padding: 5px 9px; color: #cde8ff; background: rgba(0,123,255,.12); border: 1px solid rgba(0,123,255,.18); font-size: .78rem; font-weight: 800; }

.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.price-card { padding: 24px; position: relative; overflow: hidden; display: flex; flex-direction: column; min-height: 100%; }
.price-card.featured { border-color: rgba(0,123,255,.68); box-shadow: 0 0 48px rgba(0,123,255,.18); transform: translateY(-8px); }
.price-card strong { display: block; font-size: clamp(2rem, 3vw, 2.6rem); margin: 12px 0 8px; letter-spacing: -0.04em; }
.price-card strong small { font-size: .95rem; color: var(--muted); margin-left: 4px; letter-spacing: 0; }
.plan-badge { display: inline-flex; width: fit-content; padding: 7px 10px; border-radius: 999px; background: linear-gradient(135deg, rgba(0,123,255,.94), rgba(139,92,246,.94)); color: #fff; font-size: .75rem; font-weight: 900; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 12px; }
.feature-list { list-style: none; padding: 0; margin: 16px 0 22px; display: grid; gap: 10px; color: var(--muted); flex: 1; }
.feature-list li { position: relative; padding-left: 24px; }
.feature-list li::before { content: '✓'; position: absolute; left: 0; top: 0; color: #3ee56b; font-weight: 900; }
.price-card .btn { width: 100%; }

.split-section { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 36px; }
.glass-card { padding: 24px; position: relative; overflow: hidden; }
.demo-aside { padding: 24px; }
.demo-aside h3 { display: flex; justify-content: space-between; align-items: center; }
.demo-row { margin: 14px 0; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: rgba(0,123,255,.06); }
.demo-row span { display: block; color: var(--muted); font-size: .86rem; }
.demo-row strong { color: #a9dcff; word-break: break-word; }
.copy-mini { float: right; border: 0; background: rgba(255,255,255,.08); color: white; border-radius: 8px; padding: 4px 8px; cursor: pointer; }

.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; }
.step-card { text-align: center; padding: 24px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.035); }
.step-icon { margin: 0 auto 14px; }
.step-number { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--blue); font-weight: 900; margin-bottom: 12px; }

.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.faq-item { overflow: hidden; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; color: white; background: transparent; border: 0; padding: 18px 20px; cursor: pointer; text-align: left; font-weight: 900; }
.faq-question::after { content: '+'; width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%; background: rgba(0,123,255,.14); color: var(--blue-2); flex: 0 0 auto; }
.faq-item.is-open .faq-question::after { content: '−'; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .25s ease; padding: 0 20px; }
.faq-item.is-open .faq-answer { max-height: 260px; padding-bottom: 18px; }

.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.contact-card { padding: 24px; }
.contact-card strong { display: block; margin-bottom: 8px; }

.final-cta { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; padding: 34px; margin-top: 34px; margin-bottom: 26px; background: linear-gradient(135deg, rgba(0,123,255,.16), rgba(0,184,255,.06)); }
.final-cta-icon { width: 78px; height: 78px; border-radius: 28px; font-size: 2rem; }
.final-cta h2 { margin-bottom: 8px; }
.final-cta p { color: #cbd7e7; margin-bottom: 0; }
.site-footer { display: grid; grid-template-columns: 1.25fr .8fr 1fr 1fr; gap: 32px; padding: 42px 0 28px; border-top: 1px solid var(--line); margin-top: 16px; }
.footer-brand img { width: 210px; margin-bottom: 14px; }
.footer-col { display: grid; gap: 8px; align-content: start; }
.footer-col h4 { margin: 0 0 8px; }
.social-row { display: flex; gap: 9px; margin-top: 14px; }
.social-row a { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: rgba(0,123,255,.13); border: 1px solid var(--line); font-weight: 900; }
.footer-bottom { grid-column: 1 / -1; color: var(--muted-2); border-top: 1px solid rgba(82,155,255,.12); padding-top: 20px; text-align: center; font-size: .9rem; }

.page-top { padding-top: 42px; }
.page-hero { width: min(var(--max), calc(100% - 28px)); margin: 0 auto; padding: 58px 0 22px; display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: end; }
.page-hero p { color: var(--muted); max-width: 720px; font-size: 1.1rem; }
.empty-state { max-width: 760px; margin: 0 auto; padding: 34px; text-align: center; }

.demo-modal { position: fixed; inset: 0; background: rgba(0,0,0,.66); backdrop-filter: blur(12px); display: none; place-items: center; padding: 18px; z-index: 100; }
.demo-modal.is-open { display: grid; }
.demo-modal-card { width: min(500px, 100%); padding: 30px; position: relative; }
.modal-close { position: absolute; top: 16px; right: 16px; width: 36px; height: 36px; border-radius: 12px; background: rgba(255,255,255,.08); color: white; border: 1px solid var(--line); font-size: 1.4rem; cursor: pointer; }
.floating-whatsapp { position: fixed; right: 20px; bottom: 20px; width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, #18be45, #07812b); color: white; z-index: 80; box-shadow: 0 18px 45px rgba(19,184,63,.36); font-size: 1.4rem; }
.install-pwa { position: fixed; left: 20px; bottom: 20px; z-index: 80; border: 1px solid var(--line); border-radius: 999px; min-height: 46px; padding: 0 16px; color: white; background: rgba(0,123,255,.88); font-weight: 900; cursor: pointer; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
    .main-nav { gap: 2px; font-size: .86rem; }
    .main-nav a { padding: 10px 9px; }
    .hero-section { grid-template-columns: 1fr; }
    .hero-preview { min-height: 340px; }
    .demo-aside { position: relative; transform: none; width: 100%; top: auto; margin-top: -80px; }
    .quick-benefits, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .systems-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid, .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .site-footer { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
    .menu-toggle { display: block; }
    .site-header { min-height: 70px; top: 8px; }
    .main-nav { position: fixed; top: 92px; left: 14px; right: 14px; flex-direction: column; align-items: stretch; padding: 18px; border: 1px solid var(--line); border-radius: 22px; background: rgba(3,10,21,.98); transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .2s ease; box-shadow: 0 22px 60px rgba(0,0,0,.34); }
    .main-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .main-nav a { width: 100%; }
    .nav-admin { margin-left: 0; }
    .hero-section { padding-top: 46px; }
    h1 { font-size: clamp(3rem, 14vw, 5.2rem); }
    .preview-card-main { transform: none; }
    .final-cta { grid-template-columns: 1fr; }
    .page-hero { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    :root { --radius: 20px; }
    .brand { width: 168px; }
    .site-header { width: calc(100% - 20px); padding: 11px 12px; border-radius: 20px; }
    .hero-section, .section-block, .quick-benefits, .site-footer, .page-hero { width: calc(100% - 20px); }
    .hero-section { padding: 34px 0 28px; }
    .hero-actions .btn, .inline-actions .btn, .system-actions .btn { width: 100%; }
    .trust-row span { width: 100%; }
    .quick-benefits, .systems-grid, .pricing-grid, .steps-grid, .faq-grid, .site-footer, .contact-grid { grid-template-columns: 1fr; }
    .system-card { grid-template-columns: 54px 1fr; padding: 16px; }
    .system-icon { width: 52px; height: 52px; border-radius: 16px; }
    .price-card.featured { transform: none; }
    .split-section { flex-direction: column; align-items: flex-start; padding: 24px; }
    .demo-aside { margin-top: 12px; }
    .footer-bottom { text-align: left; }
    .floating-whatsapp { right: 14px; bottom: 14px; width: 54px; height: 54px; }
    .install-pwa { left: 14px; bottom: 14px; }
}

/* Bloque 5 - Tarjetas de sistemas con imagen administrable */
.system-image {
    width: 70px;
    height: 70px;
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid rgba(0,184,255,.22);
    background: rgba(0,123,255,.10);
    box-shadow: 0 12px 35px rgba(0,123,255,.12);
}
.system-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.btn:disabled,
button:disabled {
    opacity: .55;
    cursor: not-allowed;
    filter: grayscale(.2);
}

/* Bloque 6 - Pruebas y accesos avanzados */
.demos-hero { align-items: center; }
.demo-hero-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(120px, 1fr));
    gap: 12px;
    min-width: min(360px, 100%);
}
.demo-hero-stats article {
    border: 1px solid var(--line);
    background: rgba(255,255,255,.04);
    border-radius: 22px;
    padding: 18px;
    box-shadow: var(--shadow-soft);
}
.demo-hero-stats strong { display: block; font-size: 2.1rem; letter-spacing: -.04em; }
.demo-hero-stats span { color: var(--muted); font-weight: 800; }
.demo-toolbar {
    display: grid;
    grid-template-columns: 1fr minmax(260px, 380px);
    gap: 18px;
    align-items: end;
    margin-bottom: 18px;
}
.demo-toolbar h2 { margin-bottom: 6px; }
.demo-toolbar p { color: var(--muted); margin-bottom: 0; }
.demo-search-label { display: grid; gap: 7px; color: #dce8f7; font-weight: 900; }
.demo-search-label input {
    min-height: 50px;
    border-radius: 15px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.045);
    color: white;
    padding: 0 15px;
    outline: none;
}
.demo-search-label input:focus { border-color: var(--blue-2); box-shadow: 0 0 0 4px rgba(0,184,255,.12); }
.demo-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}
.demo-card {
    border: 1px solid var(--line);
    background: linear-gradient(150deg, rgba(10,25,48,.86), rgba(3,10,21,.74));
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-height: 100%;
}
.demo-card-top { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: start; }
.demo-card p { color: var(--muted); margin-bottom: 0; }
.demo-preview-box {
    border: 1px solid rgba(0,184,255,.16);
    background: rgba(0,123,255,.06);
    border-radius: 18px;
    padding: 14px;
    display: grid;
    grid-template-columns: 82px 1fr;
    gap: 8px 10px;
}
.demo-preview-box span { color: var(--muted-2); font-size: .82rem; font-weight: 900; }
.demo-preview-box strong { color: #a9dcff; word-break: break-word; }
.status-warn-dot::before { background: #f59e0b !important; box-shadow: 0 0 10px rgba(245,158,11,.4) !important; }
.demo-modal-card-wide { width: min(560px, 100%); }
.demo-access-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(255,255,255,.035);
    padding: 12px 14px;
    margin: 16px 0;
}
.demo-access-summary span { color: var(--muted); }
.demo-access-summary strong { color: var(--blue-2); }
.demo-modal-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.demo-modal-actions .btn { width: 100%; }
.demo-support-note { display: block; color: var(--muted); margin-top: 12px; line-height: 1.5; }
@media (max-width: 1080px) {
    .demo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
    .demo-toolbar { grid-template-columns: 1fr; }
    .demo-grid, .demo-hero-stats { grid-template-columns: 1fr; }
    .demo-modal-actions { grid-template-columns: 1fr; }
    .demo-preview-box { grid-template-columns: 1fr; }
}

/* Bloque 7 - Planes de renta administrables */
.plan-description {
    min-height: 48px;
    font-size: .92rem;
    line-height: 1.45;
}
.yearly-price {
    margin: 0 0 6px;
    padding: 9px 11px;
    border: 1px solid rgba(0,184,255,.18);
    border-radius: 14px;
    background: rgba(0,123,255,.08);
    color: #cfeaff;
    font-size: .88rem;
    font-weight: 800;
}
.price-card.plan-theme-green.featured { border-color: rgba(34,197,94,.62); box-shadow: 0 0 48px rgba(34,197,94,.16); }
.price-card.plan-theme-purple.featured { border-color: rgba(139,92,246,.68); box-shadow: 0 0 48px rgba(139,92,246,.18); }
.price-card.plan-theme-gold.featured { border-color: rgba(245,158,11,.68); box-shadow: 0 0 48px rgba(245,158,11,.18); }
.plan-metrics{display:flex;flex-wrap:wrap;gap:.45rem;margin:.8rem 0}.plan-metrics span{padding:.35rem .65rem;border:1px solid rgba(45,137,255,.28);border-radius:999px;background:rgba(16,92,211,.12);font-size:.78rem}.plan-description,.plan-note{color:var(--muted);font-size:.9rem}.plan-note{margin:.55rem 0}


/* Bloque 9 - Contacto y solicitudes */
.contact-lead-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.75fr);gap:24px;align-items:start}.lead-form-card{padding:30px}.lead-form{display:grid;gap:18px;margin-top:22px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.lead-form label{display:grid;gap:8px;font-weight:800;color:#dce8f7}.lead-form input,.lead-form textarea,.lead-form select{width:100%;min-height:50px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.045);color:#fff;padding:11px 13px;outline:none}.lead-form textarea{resize:vertical}.lead-form input:focus,.lead-form textarea:focus,.lead-form select:focus{border-color:var(--blue-2);box-shadow:0 0 0 4px rgba(0,184,255,.12)}.consent-row{grid-template-columns:auto 1fr!important;align-items:center;font-weight:700!important;color:var(--muted)!important}.consent-row input{width:auto;min-height:auto;accent-color:var(--blue)}.contact-side{display:grid;gap:16px}.form-alert{padding:14px 16px;border-radius:14px;font-weight:800}.form-alert-ok{background:rgba(34,197,94,.14);border:1px solid rgba(34,197,94,.35);color:#d8ffe2}.form-alert-error{background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.35);color:#ffe0e7}.hp-field{position:absolute!important;left:-9999px!important;opacity:0!important}@media(max-width:860px){.contact-lead-layout{grid-template-columns:1fr}}@media(max-width:640px){.form-grid{grid-template-columns:1fr}.lead-form-card{padding:20px}}

/* Bloque 12: sistemas avanzados */
.system-tags,.admin-tag-list{display:flex;gap:.45rem;flex-wrap:wrap;margin-bottom:.65rem}.system-tags span{font-size:.72rem;padding:.3rem .55rem;border:1px solid rgba(0,184,255,.35);border-radius:999px;color:#8edcff;background:rgba(0,184,255,.08)}
.system-feature-list{list-style:none;padding:0;margin:.75rem 0;display:grid;gap:.35rem;color:#c7d6e8;font-size:.88rem}.system-gallery-preview{display:flex;gap:.45rem;margin:.7rem 0}.system-gallery-preview img{width:58px;height:42px;object-fit:cover;border-radius:10px;border:1px solid rgba(255,255,255,.12)}
.admin-list-stack{display:grid;gap:.6rem;margin-top:1rem}.admin-list-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;border:1px solid rgba(255,255,255,.1);border-radius:12px;background:rgba(255,255,255,.03)}
.admin-gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem;margin-top:1rem}.admin-gallery-grid article{padding:.75rem;border:1px solid rgba(255,255,255,.1);border-radius:14px;background:rgba(255,255,255,.03)}.admin-gallery-grid img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px;margin-bottom:.5rem}.admin-tag-list{margin-top:1rem}.admin-tag-list form{display:flex;align-items:center;gap:.5rem}.admin-tag-list button{background:none;border:0;color:inherit;cursor:pointer;font-size:1rem}

/* Bloque 13: comparador y selector de cobro */
.billing-toggle{display:flex;gap:.5rem;justify-content:center;margin:0 auto 2rem;background:rgba(255,255,255,.05);padding:.4rem;border:1px solid rgba(255,255,255,.1);border-radius:999px;width:max-content}.billing-toggle a{padding:.7rem 1.2rem;border-radius:999px;color:#c9d4ea;text-decoration:none}.billing-toggle a.active{background:#087bff;color:#fff;box-shadow:0 0 24px rgba(0,184,255,.3)}.plan-mini-badge{display:inline-block;margin:.75rem 0;padding:.35rem .65rem;border-radius:999px;background:rgba(0,184,255,.12);color:#79d8ff;font-size:.8rem}.plan-support{font-size:.9rem;color:#b9c8df}.comparison-wrap{overflow-x:auto;border:1px solid rgba(255,255,255,.1);border-radius:20px;background:rgba(8,17,34,.8)}.comparison-table{width:100%;min-width:760px;border-collapse:collapse}.comparison-table th,.comparison-table td{padding:1rem;border-bottom:1px solid rgba(255,255,255,.08);text-align:center}.comparison-table th:first-child,.comparison-table td:first-child{text-align:left;position:sticky;left:0;background:#0b1629;z-index:1}.comparison-table thead th{color:#7bdcff}.compare-check{font-size:1.25rem;color:#52e0a4;font-weight:800}@media(max-width:700px){.billing-toggle{width:100%}.billing-toggle a{flex:1;text-align:center}.comparison-section{padding-left:.75rem;padding-right:.75rem}}
/* Bloque 14: comparador avanzado de marketing */
.marketing-pricing-grid{align-items:stretch}.marketing-pricing-grid .price-card{display:flex;flex-direction:column}.marketing-pricing-grid .btn{margin-top:auto}.marketing-detail-block{padding:14px;border:1px solid rgba(67,139,255,.18);border-radius:16px;background:rgba(13,31,62,.45);margin:12px 0}.marketing-detail-block h4{margin:0 0 8px;font-size:.9rem;color:#8dbdff}.plan-notes{font-size:.86rem;color:var(--muted);margin:12px 0}.plan-notes p{margin:5px 0}.cta-banner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px;border:1px solid rgba(67,139,255,.25);border-radius:24px;background:linear-gradient(135deg,rgba(18,54,108,.75),rgba(7,20,43,.92))}@media(max-width:800px){.cta-banner{align-items:flex-start;flex-direction:column}.marketing-pricing-grid{grid-template-columns:1fr}}

/* Bloque 15: configuración general */
.settings-admin-form { display: grid; gap: 18px; }
.settings-tabs { display: flex; gap: 8px; flex-wrap: wrap; padding: 10px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.025); }
.settings-tab { border: 0; color: var(--muted); background: transparent; padding: 11px 15px; border-radius: 13px; cursor: pointer; font-weight: 800; }
.settings-tab:hover, .settings-tab.active { color: #fff; background: linear-gradient(135deg, rgba(0,123,255,.28), rgba(0,184,255,.12)); box-shadow: inset 0 0 0 1px rgba(0,184,255,.22); }
.settings-panel { display: none; }
.settings-panel.active { display: block; }
.settings-panel-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 22px; }
.settings-panel-heading h2 { margin: 0 0 6px; }
.settings-panel-heading p { margin: 0; color: var(--muted); }
.settings-preview { width: 150px; min-height: 78px; border-radius: 18px; display: grid; place-items: center; gap: 4px; background: linear-gradient(135deg, var(--preview-primary), var(--preview-secondary)); box-shadow: 0 14px 35px color-mix(in srgb, var(--preview-primary) 30%, transparent); }
.settings-preview span { width: 40px; height: 8px; border-radius: 99px; background: rgba(255,255,255,.9); }
.settings-preview strong { font-size: .78rem; }
.settings-file-preview { width: min(280px, 100%); max-height: 110px; object-fit: contain; object-position: left center; padding: 10px; border-radius: 15px; border: 1px solid var(--line); background: rgba(255,255,255,.04); }
.admin-switch { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; }
.admin-switch input { position: absolute; opacity: 0; pointer-events: none; }
.admin-switch i { width: 48px; height: 27px; border-radius: 99px; background: #263449; position: relative; transition: .2s ease; }
.admin-switch i::after { content: ''; width: 21px; height: 21px; border-radius: 50%; background: white; position: absolute; top: 3px; left: 3px; transition: .2s ease; }
.admin-switch input:checked + i { background: var(--blue); box-shadow: 0 0 18px rgba(0,123,255,.32); }
.admin-switch input:checked + i::after { transform: translateX(21px); }
.admin-sticky-save { position: sticky; bottom: 16px; z-index: 15; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 14px 18px; border: 1px solid var(--line-strong); border-radius: 18px; background: rgba(2,8,20,.92); backdrop-filter: blur(18px); box-shadow: 0 18px 50px rgba(0,0,0,.35); }
.admin-sticky-save span { color: var(--muted); font-weight: 700; }
.legal-page { max-width: 900px; margin-top: 80px; margin-bottom: 80px; }
.legal-page h1 { font-size: clamp(2.2rem, 5vw, 4rem); margin: 0 0 24px; }
.legal-content { padding: clamp(24px,5vw,48px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--panel); color: var(--muted); font-size: 1.05rem; line-height: 1.85; white-space: normal; }
@media (max-width: 760px) { .settings-panel-heading, .admin-sticky-save { align-items: stretch; flex-direction: column; } .settings-preview { width: 100%; } .settings-tabs { flex-wrap: nowrap; overflow-x: auto; } .settings-tab { white-space: nowrap; } }

/* Bloque 16: optimización móvil completa e instalación tipo app */
.skip-link{position:fixed;left:16px;top:16px;z-index:9999;transform:translateY(-160%);padding:12px 16px;border-radius:14px;background:#fff;color:#031020;font-weight:900;box-shadow:0 18px 50px rgba(0,0,0,.35)}.skip-link:focus{transform:translateY(0)}
body.menu-open{overflow:hidden}.menu-open::after{content:'';position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.42);backdrop-filter:blur(4px)}.menu-open .site-header{z-index:80}.menu-open .main-nav{z-index:82}
.app-install-card,.app-update-card{position:fixed;z-index:95;left:18px;bottom:18px;width:min(430px,calc(100% - 36px));display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:14px;border:1px solid var(--line-strong);border-radius:22px;background:rgba(3,10,21,.96);box-shadow:0 22px 70px rgba(0,0,0,.45),0 0 38px rgba(0,123,255,.18);backdrop-filter:blur(20px)}.app-install-card[hidden],.app-update-card[hidden]{display:none}.app-install-icon{width:54px;height:54px;border-radius:17px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(0,184,255,.18),rgba(0,123,255,.32));overflow:hidden}.app-install-icon img{width:42px;height:42px;border-radius:13px}.app-install-card strong{display:block;margin-bottom:2px}.app-install-card p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.45}.install-close{position:absolute;right:8px;top:6px;border:0;background:transparent;color:var(--muted);font-size:1.3rem;cursor:pointer;width:28px;height:28px}.install-close:hover{color:#fff}.app-update-card{grid-template-columns:1fr auto;right:18px;left:auto}.app-update-card span{color:#dce8f7;font-weight:800}
.mobile-bottom-nav{display:none}.is-offline .site-shell::before{content:'Sin conexión: se mostrará la información guardada disponible.';position:fixed;left:50%;bottom:82px;transform:translateX(-50%);z-index:96;width:min(460px,calc(100% - 24px));padding:10px 14px;border:1px solid rgba(245,158,11,.36);border-radius:14px;background:rgba(49,28,5,.95);color:#fff2d6;text-align:center;font-weight:800;box-shadow:0 15px 35px rgba(0,0,0,.32)}
.btn,.menu-toggle,.floating-whatsapp,.install-pwa,.mobile-bottom-nav a,button,input,select,textarea{touch-action:manipulation}.btn,.main-nav a,.mobile-bottom-nav a{min-height:44px}
@media(max-width:900px){.main-nav{max-height:calc(100vh - 120px);overflow:auto}.site-header{padding-right:10px}.nav-admin{text-align:center}.hero-preview{min-height:280px}.preview-card-main{max-width:100%}.preview-grid{grid-template-columns:1fr 1fr}.preview-grid div:nth-child(3){display:none}.demo-aside{display:none}.section-heading{align-items:flex-start}.filter-row{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;scroll-snap-type:x proximity}.filter-row .btn{white-space:nowrap;scroll-snap-align:start}.systems-grid,.pricing-grid,.demo-grid{gap:14px}.system-card,.price-card,.demo-card{border-radius:22px}.system-actions{display:grid;grid-template-columns:1fr 1fr}.system-actions .btn{width:100%;padding-left:10px;padding-right:10px}.final-cta{padding:28px}.contact-lead-layout{gap:16px}}
@media(max-width:760px){body{padding-bottom:calc(78px + env(safe-area-inset-bottom,0px))}.site-header{top:8px}.hero-section{padding-top:30px}.hero-copy{font-size:1rem}.quick-benefits article{padding:18px}.system-card{grid-template-columns:1fr;gap:14px}.system-image,.system-icon{width:64px;height:64px}.system-actions{grid-template-columns:1fr}.price-card,.demo-card,.lead-form-card{padding:18px}.demo-access-summary{align-items:flex-start;flex-direction:column}.demo-modal-card{max-height:calc(100vh - 34px);overflow:auto}.mobile-bottom-nav{position:fixed;left:10px;right:10px;bottom:calc(8px + env(safe-area-inset-bottom,0px));z-index:90;display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:7px;border:1px solid rgba(82,155,255,.25);border-radius:22px;background:rgba(3,10,21,.94);backdrop-filter:blur(20px);box-shadow:0 18px 55px rgba(0,0,0,.38)}.mobile-bottom-nav a{display:grid;place-items:center;gap:2px;padding:7px 3px;border-radius:15px;color:var(--muted);font-size:.72rem;font-weight:900}.mobile-bottom-nav a span{font-size:1.08rem;line-height:1}.mobile-bottom-nav a.active,.mobile-bottom-nav a:hover{color:#fff;background:linear-gradient(135deg,rgba(0,123,255,.28),rgba(0,184,255,.12));box-shadow:inset 0 0 0 1px rgba(0,184,255,.18)}.floating-whatsapp{bottom:calc(92px + env(safe-area-inset-bottom,0px));right:14px}.app-install-card{left:10px;right:10px;bottom:calc(86px + env(safe-area-inset-bottom,0px));width:auto;grid-template-columns:auto 1fr;padding-right:16px}.app-install-card .btn{grid-column:1/-1;width:100%}.app-update-card{left:10px;right:10px;bottom:calc(86px + env(safe-area-inset-bottom,0px));width:auto}.is-offline .site-shell::before{bottom:calc(86px + env(safe-area-inset-bottom,0px))}}
@media(max-width:480px){h1{font-size:clamp(2.55rem,15vw,4rem)}h2{font-size:clamp(1.8rem,9vw,2.6rem)}.brand{width:148px}.site-header{width:calc(100% - 16px);border-radius:18px}.menu-toggle{width:44px;height:44px}.hero-actions,.inline-actions{display:grid;grid-template-columns:1fr;width:100%}.trust-row span{font-size:.9rem}.preview-chart{height:150px}.quick-benefits article{grid-template-columns:auto 1fr;align-items:center}.benefit-icon,.step-icon,.final-cta-icon{width:52px;height:52px;border-radius:16px;font-size:1.35rem}.admin-table-wrap,.comparison-wrap{margin-left:-10px;margin-right:-10px;border-radius:16px}.billing-toggle{position:sticky;top:88px;z-index:30}.cta-banner{padding:22px}.legal-page{margin-top:38px;margin-bottom:38px}.legal-content{font-size:.98rem}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}.reveal{opacity:1!important;transform:none!important}}
@media(display-mode:standalone){.site-header{top:calc(8px + env(safe-area-inset-top,0px))}.app-install-card{display:none!important}}

/* Bloque 17 · Seguridad y validaciones */
.admin-security-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0 24px}
.security-check{display:flex;align-items:flex-start;gap:14px}
.security-check h3{margin:0 0 6px;font-size:16px}.security-check p{margin:0;color:var(--muted,#9fb1c8);line-height:1.5}
.security-icon{width:34px;height:34px;border-radius:999px;display:grid;place-items:center;font-weight:900;flex:0 0 auto}
.security-ok .security-icon{background:rgba(34,197,94,.14);color:#22c55e;border:1px solid rgba(34,197,94,.35)}
.security-warn .security-icon{background:rgba(245,158,11,.14);color:#f59e0b;border:1px solid rgba(245,158,11,.35)}
.admin-code-box{white-space:pre-wrap;background:rgba(2,8,20,.74);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:14px;overflow:auto;color:#d8e7ff}
@media(max-width:760px){.admin-security-grid{grid-template-columns:1fr}}