/* ═══════════════════════════════════════════════════════════
   IAFISCAL — LANDING PÚBLICA
   Mobile-first · Reutiliza variables de iafiscal.css :root
   Selectores .landing-* para evitar colisiones con el ERP
   v2 — Safari/Mac + responsive wide + mobile fix
   ═══════════════════════════════════════════════════════════ */

/* ── Safari / Mac global fixes ── */
html {
    -webkit-text-size-adjust: 100%;
}

/* ── Reset mínimo (solo landing) ── */
.landing-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary, #F5F7FB);
    background: linear-gradient(135deg, #041324 0%, #0A1E38 50%, #041324 100%);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ── Focus visible (accesibilidad) ── */
.landing-body a:focus-visible,
.landing-body button:focus-visible {
    outline: 2px solid var(--primary, #2563FF);
    outline-offset: 2px;
}

/* ── Contenedor reutilizable ── */
.landing-container {
    width: min(100% - 2rem, 1120px);
    margin-inline: auto;
}

/* ═══ NAVBAR ═══ */
.landing-navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1rem;
    background: rgba(14, 31, 61, 0.95);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color, #1F2F4D);
    position: sticky;
    top: 0;
    z-index: 100;
}

@supports not (backdrop-filter: blur(16px)) {
    .landing-navbar {
        background: #0E1F3D;
    }
}

.landing-navbar-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary, #2563FF);
    text-decoration: none;
    flex-shrink: 0;
}

.landing-navbar-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(14, 31, 61, 0.98);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color, #1F2F4D);
    list-style: none;
    gap: 0.5rem;
    margin: 0;
}

@supports not (backdrop-filter: blur(16px)) {
    .landing-navbar-links {
        background: #0E1F3D;
    }
}

.landing-navbar-links.open {
    display: flex;
}

.landing-navbar-links li {
    list-style: none;
}

.landing-navbar-links a {
    color: var(--text-primary, #F5F7FB);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.2s;
    padding: 0.5rem 0;
    display: block;
}

.landing-navbar-links a:hover {
    color: var(--primary, #2563FF);
}

.landing-btn-acceso {
    background: linear-gradient(135deg, #1E4FCC 0%, #2563FF 100%);
    color: #fff !important;
    padding: 0.6rem 1.4rem;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.2s;
    display: inline-block;
    text-align: center;
}

.landing-btn-acceso:hover {
    background: var(--primary-hover, #3B7AFF);
}

.landing-navbar-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary, #F5F7FB);
    padding: 0.5rem;
    min-width: 44px;
    min-height: 44px;
}

/* ═══ HERO ═══ */
.landing-hero {
    background: linear-gradient(135deg, #1E4FCC 0%, #2563FF 50%, #3B7AFF 100%);
    color: #fff;
    text-align: center;
    padding: 3.5rem 1.25rem 3rem;
}

.landing-hero-inner {
    width: min(100% - 2rem, 900px);
    margin-inline: auto;
}

.landing-hero h1 {
    font-size: clamp(1.75rem, 4.5vw, 3.5rem);
    margin: 0 0 1.25rem;
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.landing-hero .landing-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: rgba(255, 255, 255, 0.9);
    max-width: 720px;
    margin: 0 auto 1.25rem;
    line-height: 1.65;
}

.landing-hero .landing-microcopy {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
    font-style: italic;
}

.landing-hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
}

.landing-btn-primary {
    background: #fff;
    color: var(--primary, #2563FF);
    padding: 0.95rem 2.25rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    border: 2px solid #fff;
    transition: background 0.2s, transform 0.15s;
    display: inline-block;
    width: 100%;
    max-width: 320px;
    text-align: center;
}

.landing-btn-primary:hover {
    background: rgba(255, 255, 255, 0.92);
    transform: translateY(-2px);
}

.landing-btn-outline {
    background: transparent;
    color: #fff;
    padding: 0.95rem 2.25rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    border: 2px solid rgba(255, 255, 255, 0.5);
    transition: background 0.2s, border-color 0.2s;
    display: inline-block;
    width: 100%;
    max-width: 320px;
    text-align: center;
}

.landing-btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* ═══ SECCIONES GENÉRICAS ═══ */
.landing-section {
    padding: 3.5rem 1.25rem;
    width: min(100% - 2rem, 1120px);
    margin-inline: auto;
}

.landing-section h2 {
    text-align: center;
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    margin-bottom: 1.5rem;
    color: var(--text-primary, #F5F7FB);
    line-height: 1.3;
}

.landing-section-dark {
    background: linear-gradient(135deg, #1E4FCC 0%, #2563FF 50%, #3B7AFF 100%);
    color: #fff;
    padding: 3.5rem 1.25rem;
}

.landing-section-dark .landing-section-inner {
    width: min(100% - 2rem, 1120px);
    margin-inline: auto;
}

.landing-section-dark h2 {
    text-align: center;
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    margin-bottom: 1.5rem;
    color: #fff;
    line-height: 1.3;
}

.landing-section-gray {
    background: var(--bg-alt, #0E1F3D);
    /* full-width background: section-gray wraps the section, needs different approach */
    padding: 3.5rem 1.25rem;
    max-width: 100%;
    width: 100%;
}

.landing-section.landing-section-gray {
    max-width: 100%;
    width: 100%;
}

.landing-section.landing-section-gray > * {
    width: min(100% - 0rem, 1120px);
    margin-inline: auto;
}

.landing-center-text {
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    line-height: 1.75;
    color: var(--text-secondary, #B6C6E2);
}

.landing-section-dark .landing-center-text {
    color: rgba(255, 255, 255, 0.9);
}

/* ═══ FLUJO VISUAL (5 pasos) ═══ */
.landing-flow {
    padding: 3.5rem 1.25rem;
    width: min(100% - 2rem, 1120px);
    margin-inline: auto;
}

.landing-flow h2 {
    text-align: center;
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    margin-bottom: 2.5rem;
    color: var(--text-primary, #F5F7FB);
    line-height: 1.3;
}

.landing-flow-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.landing-flow-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(14, 31, 61, 0.9);
    border: 1px solid var(--border-color, #1F2F4D);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
}

.landing-flow-num {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary, #2563FF);
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.landing-flow-step h3 {
    font-size: 1.05rem;
    color: var(--text-primary, #F5F7FB);
    margin: 0;
    line-height: 1.4;
}

.landing-flow-note {
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--text-secondary, #B6C6E2);
}

/* ═══ BENEFICIOS (4 cards) ═══ */
.landing-benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.landing-benefit-card {
    background: rgba(14, 31, 61, 0.9);
    border: 1px solid var(--border-color, #1F2F4D);
    border-radius: 14px;
    padding: 2rem 1.75rem;
}

.landing-benefit-card i {
    font-size: 2rem;
    color: var(--primary, #2563FF);
    margin-bottom: 1rem;
    display: block;
}

.landing-benefit-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    color: var(--primary, #2563FF);
    font-weight: 700;
}

.landing-benefit-card p {
    color: var(--text-secondary, #B6C6E2);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ═══ CREDENCIALES ═══ */
.landing-credentials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 2rem;
    margin-bottom: 1.5rem;
}

.landing-credential-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background: rgba(14, 31, 61, 0.9);
    border: 1px solid var(--border-color, #1F2F4D);
    border-radius: 12px;
}

.landing-credential-item strong {
    display: block;
    font-size: 1.75rem;
    color: var(--primary, #2563FF);
    margin-bottom: 0.35rem;
}

.landing-credential-item span {
    font-size: 0.9rem;
    color: var(--text-secondary, #B6C6E2);
    line-height: 1.4;
    display: block;
}

.landing-credentials-link {
    text-align: center;
    margin-top: 0.75rem;
}

.landing-credentials-link a {
    color: var(--primary, #2563FF);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

.landing-credentials-link a:hover {
    text-decoration: underline;
}

/* ═══ BLOG ═══ */
.landing-blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.landing-blog-card {
    background: rgba(14, 31, 61, 0.9);
    border: 1px solid var(--border-color, #1F2F4D);
    border-radius: 12px;
    padding: 1.75rem;
    transition: box-shadow 0.2s;
}

.landing-blog-card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.landing-blog-card .landing-blog-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--primary, #2563FF);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.landing-blog-card h3 {
    font-size: 1.1rem;
    margin: 0.5rem 0;
    line-height: 1.4;
}

.landing-blog-card h3 a {
    color: var(--text-primary, #F5F7FB);
    text-decoration: none;
}

.landing-blog-card h3 a:hover {
    color: var(--primary, #2563FF);
}

.landing-blog-card .landing-blog-meta {
    font-size: 0.8rem;
    color: var(--gray-500, #8FA2C1);
    margin-bottom: 0.5rem;
}

.landing-blog-card .landing-blog-desc {
    font-size: 0.9rem;
    color: var(--text-secondary, #B6C6E2);
    line-height: 1.55;
    margin-bottom: 0.75rem;
}

.landing-blog-card .landing-blog-readmore {
    color: var(--primary, #2563FF);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

.landing-blog-card .landing-blog-readmore:hover {
    text-decoration: underline;
}

.landing-blog-link-all {
    text-align: center;
    margin-top: 1.5rem;
}

.landing-blog-link-all a {
    color: var(--primary, #2563FF);
    text-decoration: none;
    font-weight: 600;
}

.landing-blog-link-all a:hover {
    text-decoration: underline;
}

/* ═══ CTA FINAL ═══ */
.landing-cta {
    background: linear-gradient(135deg, #1E4FCC 0%, #2563FF 50%, #3B7AFF 100%);
    color: #fff;
    text-align: center;
    padding: 3.5rem 1.25rem;
}

.landing-cta h2 {
    color: #fff;
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    margin-bottom: 1rem;
}

.landing-cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.landing-btn-cta {
    background: transparent;
    color: #fff;
    padding: 0.95rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border: 2px solid #fff;
    transition: background 0.2s, color 0.2s;
    display: inline-block;
}

.landing-btn-cta:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* ═══ FOOTER ═══ */
.landing-footer {
    background: var(--bg-card, #142642);
    color: var(--gray-500, #8FA2C1);
    text-align: center;
    padding: 2.5rem 1.25rem;
}

.landing-footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    margin-bottom: 1.25rem;
    list-style: none;
    padding: 0;
}

.landing-footer-links a {
    color: var(--gray-500, #8FA2C1);
    text-decoration: none;
    font-size: 0.9rem;
}

.landing-footer-links a:hover {
    color: #fff;
}

.landing-footer-copy {
    font-size: 0.85rem;
}

/* ═══ STICKER LEY IA ═══ */
@keyframes sticker-pulse {
    0%, 100% {
        box-shadow: 3px 3px 0 #FF5A6B, 0 0 15px rgba(220, 38, 38, 0.3);
    }
    50% {
        box-shadow: 3px 3px 0 #FF5A6B, 0 0 30px rgba(239, 68, 68, 0.6);
    }
}

/* Mobile: oculto para no solapar contenido */
.ley-ia-sticker {
    display: none;
    position: fixed;
    z-index: 9998;
    background: #FF5A6B;
    color: #fff !important;
    font-family: 'Arial Black', Arial, sans-serif;
    font-weight: 900;
    text-decoration: none !important;
    text-transform: uppercase;
    border: 4px solid #fff;
    outline: 3px solid #FF5A6B;
    animation: sticker-pulse 1.5s ease-in-out infinite;
    cursor: pointer;
    transition: transform 0.2s;
    line-height: 1.3;
    text-align: center;
}

.ley-ia-sticker .sticker-sub {
    display: block;
    font-weight: 700;
    opacity: 0.9;
}

/* ═══════════════════════════════════════════════════════════
   TABLET (768px+)
   ═══════════════════════════════════════════════════════════ */
@media (min-width: 768px) {
    .landing-navbar {
        padding: 0.875rem 2rem;
    }

    /* Hero: más presencia */
    .landing-hero {
        padding: 4.5rem 2rem 4rem;
    }

    .landing-hero-buttons {
        flex-direction: row;
        justify-content: center;
    }

    .landing-btn-primary,
    .landing-btn-outline {
        width: auto;
        max-width: none;
    }

    /* Secciones */
    .landing-section,
    .landing-flow {
        padding: 4.5rem 2rem;
    }

    .landing-section-dark {
        padding: 4.5rem 2rem;
    }

    .landing-section-gray {
        padding: 4.5rem 2rem;
    }

    /* Flow: 2+3 grid */
    .landing-flow-steps {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .landing-flow-step:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        justify-self: center;
    }

    /* Beneficios: 2 columnas */
    .landing-benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    /* Credenciales: 4 columnas */
    .landing-credentials-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    /* Blog: 2 columnas */
    .landing-blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* CTA */
    .landing-cta {
        padding: 5rem 2rem;
    }

    /* Sticker: visible en tablet, esquina inferior izquierda */
    .ley-ia-sticker {
        display: block;
        left: 20px;
        top: auto;
        bottom: 24px;
        font-size: 14px;
        padding: 12px 18px;
        letter-spacing: 2.5px;
        transform: rotate(-12deg);
    }

    .ley-ia-sticker:hover {
        transform: rotate(-12deg) scale(1.08);
    }

    .ley-ia-sticker .sticker-sub {
        font-size: 10px;
        letter-spacing: 1.5px;
        margin-top: 4px;
    }
}

/* ═══════════════════════════════════════════════════════════
   DESKTOP (1024px+)
   ═══════════════════════════════════════════════════════════ */
@media (min-width: 1024px) {
    /* Navbar: links en línea */
    .landing-navbar {
        padding: 0.875rem 2.5rem;
    }

    .landing-navbar-links {
        display: flex;
        flex-direction: row;
        position: static;
        background: none;
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
        padding: 0;
        border-bottom: none;
        align-items: center;
        gap: 1.5rem;
    }

    .landing-navbar-toggle {
        display: none;
    }

    /* Hero: más aire */
    .landing-hero {
        padding: 5.5rem 2rem 5rem;
    }

    /* Flow: 5 columnas */
    .landing-flow-steps {
        grid-template-columns: repeat(5, 1fr);
        gap: 0.75rem;
    }

    .landing-flow-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1.5rem 1rem;
    }

    .landing-flow-step:last-child {
        grid-column: auto;
        max-width: none;
        justify-self: auto;
    }

    .landing-flow-step h3 {
        font-size: 0.95rem;
    }

    /* Blog: 3 columnas */
    .landing-blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Sticker: más grande en desktop */
    .ley-ia-sticker {
        left: 40px;
        font-size: 18px;
        padding: 18px 28px;
        letter-spacing: 3.5px;
    }

    .ley-ia-sticker .sticker-sub {
        font-size: 11px;
        letter-spacing: 2px;
        margin-top: 5px;
    }
}

/* ═══════════════════════════════════════════════════════════
   WIDE (1280px+)
   ═══════════════════════════════════════════════════════════ */
@media (min-width: 1280px) {
    .landing-hero {
        padding: 6rem 2rem 5.5rem;
    }

    .landing-hero-inner {
        width: min(100% - 2rem, 1000px);
    }

    .landing-section,
    .landing-flow {
        width: min(100% - 4rem, 1180px);
    }

    .landing-section-dark .landing-section-inner {
        width: min(100% - 4rem, 1180px);
    }

    .landing-section.landing-section-gray > * {
        width: min(100% - 0rem, 1180px);
    }

    /* Benefit cards: taller */
    .landing-benefit-card {
        padding: 2.25rem 2rem;
    }

    .landing-benefit-card i {
        font-size: 2.25rem;
    }

    /* Flow steps: bigger */
    .landing-flow-num {
        width: 44px;
        height: 44px;
        font-size: 1.15rem;
    }

    /* Credentials: bigger numbers */
    .landing-credential-item strong {
        font-size: 2rem;
    }

    /* Sticker: full size */
    .ley-ia-sticker {
        left: 50px;
        font-size: 20px;
        padding: 20px 34px;
        letter-spacing: 4px;
    }

    .ley-ia-sticker .sticker-sub {
        font-size: 12px;
        letter-spacing: 2px;
        margin-top: 6px;
    }
}