/* ==========================================================================
   STOCKBOT · LANDING COMERCIAL & ALIANZAS (Actualizado 01/10/2026)
   Estudio PR · Design System Scoped Stylesheet
   Layout: 2/3 Contenido y UX (Izquierda) + 1/3 Escenario 3D Brazo Robot (Derecha)
   Dark-only · Cyan Electric #22D3EE · Geist Weight 800 Upper Titles
   ========================================================================== */

:root {
    --bg-color: #050505;
    --surface-deep: #000000;
    --surface-raised: #111111;
    /* Tarjetas: velo blanco sutil sobre base casi opaca, para que el video de fondo no se lea a través */
    --surface-card-base: rgba(5, 5, 5, 0.92);
    --surface-card: linear-gradient(rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.05)), var(--surface-card-base);
    --surface-card-hover: linear-gradient(rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.09)), var(--surface-card-base);
    --text-color: #F8FAFC;
    --text-body: rgba(255, 255, 255, 0.85);
    --text-secondary: rgba(255, 255, 255, 0.65); /* Descripciones secundarias (escala de opacidad, 02-color) */
    --muted: #64748B;
    --accent: #22D3EE;
    --accent-hover: #4DD0E1;
    --accent-subtle: rgba(34, 211, 238, 0.12);
    --accent-glow: rgba(34, 211, 238, 0.35);
    --border: rgba(255, 255, 255, 0.10);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(34, 211, 238, 0.35);
    --danger: #EF4444; /* Usado EXCLUSIVAMENTE para alertas en interfaces */
    --danger-subtle: rgba(239, 68, 68, 0.15);
    --warning: #F59E0B;
    --warning-subtle: rgba(245, 158, 11, 0.15);
    --success: #10B981;
    --success-subtle: rgba(16, 185, 129, 0.15);

    --font-main: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);

    --page-padding: clamp(1.25rem, 3.5vw, 3.5rem);
    --section-padding: clamp(4.5rem, 8vw, 8rem);
    --hero-padding-top: clamp(7.5rem, 11vw, 12rem);

    /* Fluid typography scale */
    --font-size-massive: clamp(2.3rem, 5.2vw, 4.8rem);
    --font-size-sub-massive: clamp(1.7rem, 3.8vw, 3.2rem);
    --font-size-title: clamp(1.45rem, 2.8vw, 2.3rem);
    --font-size-step-title: clamp(1.25rem, 2.3vw, 1.9rem);
    --font-size-body: clamp(0.96rem, 1.1vw, 1.12rem);
    --font-size-small: clamp(0.72rem, 0.85vw, 0.82rem);
}

/* Base resets & document setup */
html {
    scroll-behavior: smooth;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
}

body.stockbot-landing {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Focus styles for keyboard accessibility */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
    box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.2);
}

/* ==========================================================================
   HEADER Y NAVEGACIÓN
   ========================================================================== */
.sb-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition-fast);
}

.sb-header-inner {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1rem var(--page-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.sb-brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
    color: inherit;
}

.sb-logo-svg {
    height: 34px;
    width: auto;
    display: block;
}

.sb-nav-menu {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.sb-nav-link {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.25s ease;
    position: relative;
    padding: 0.4rem 0;
}

.sb-nav-link:hover, .sb-nav-link.active {
    color: var(--text-color);
}

.sb-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sb-nav-link:hover::after, .sb-nav-link.active::after {
    width: 100%;
}

.sb-header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sb-mobile-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--text-color);
    z-index: 1001;
}

.sb-mobile-toggle svg {
    display: block;
    width: 24px;
    height: 24px;
}

.sb-mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: rgba(5, 5, 5, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    padding: 6rem 2rem 3rem;
    box-sizing: border-box;
    flex-direction: column;
    justify-content: space-between;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.sb-mobile-nav.open {
    opacity: 1;
    pointer-events: auto;
}

.sb-mobile-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sb-mobile-menu .sb-nav-link {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-color);
}

.sb-mobile-menu .sb-nav-link:hover {
    color: var(--accent);
}

/* ==========================================================================
   BOTONES Y RÓTULOS
   ========================================================================== */
.sb-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background-color: var(--accent);
    color: #000000;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 0.85rem 1.8rem;
    border-radius: 100px;
    text-decoration: none;
    border: 1px solid var(--accent);
    cursor: pointer;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.4s ease,
                box-shadow 0.4s ease;
    will-change: transform;
}

.sb-btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
    color: #000000;
}

.sb-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background-color: transparent;
    color: var(--text-color);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 0.85rem 1.8rem;
    border-radius: 100px;
    text-decoration: none;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition-fast);
}

.sb-btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    transform: translateY(-2px);
}

.sb-rotulo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 2.2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.25rem;
}

.sb-badge {
    padding: 0.25rem 0.65rem;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.sb-badge.disponible {
    background: var(--success-subtle);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.35);
}

.sb-badge.piloto {
    background: var(--warning-subtle);
    color: #FBBF24;
    border: 1px solid rgba(245, 158, 11, 0.35);
}

.sb-badge.proximamente {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.sb-sello {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: 100px;
    background: rgba(34, 211, 238, 0.06);
    border: 1px solid var(--border-accent);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.sb-status-dot {
    width: 7px;
    height: 7px;
    background-color: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent);
    display: inline-block;
}

/* ==========================================================================
   ARQUITECTURA DE LAYOUT EDITORIAL
   ========================================================================== */
.sb-scrolly-container {
    position: relative;
    width: 100%;
    background-color: transparent;
    overflow-x: hidden;
}

/* Contenedor principal de secciones */
.sb-narrative-layer {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 4rem);
    box-sizing: border-box;
    position: relative;
    z-index: 3;
}

.sb-step-content {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
}

.sb-chapter-step {
    padding: clamp(4.5rem, 7vw, 5rem) 0;
    border-bottom: 1px solid var(--border-subtle);
    box-sizing: border-box;
}

.sb-chapter-step:last-of-type {
    border-bottom: none;
}

/* ==========================================================================
   HERO CON IMAGEN REAL Y DEGRADADOS DE LEGIBILIDAD
   ========================================================================== */
#hero {
    min-height: 92vh;
    min-height: 70dvh;
    display: flex;
    align-items: center;
    position: relative;
    padding: clamp(6.5rem, 10vw, 10rem) 0 clamp(4.5rem, 8vw, 7.5rem);
    border-bottom: 1px solid var(--border-subtle);
}

/* ==========================================================================
   SECUENCIA DE VIDEO SCROLLYTELLING (FONDO BIDIRECCIONAL)
   ========================================================================== */
.sb-video-sequence-stage {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
    background-color: #050505;
}

#sb-sequence-canvas {
    width: 100%;
    height: 100%;
    display: block;
    outline: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#sb-sequence-canvas.ready {
    opacity: 1;
}

.sb-sequence-gradient-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    /* Múltiples degradados para blindar legibilidad de texto sobre el video en scroll */
    background: 
        /* 1. Degradado horizontal principal: oscuro en la mitad izquierda para el texto */
        /* Más liviano que antes: las tarjetas ya son opacas y el texto suelto lleva sombra */
        linear-gradient(to right, 
            rgba(5, 5, 5, 0.92) 0%, 
            rgba(5, 5, 5, 0.85) 28%, 
            rgba(5, 5, 5, 0.60) 45%, 
            rgba(5, 5, 5, 0.20) 65%, 
            transparent 82%
        ),
        /* 2. Degradado vertical superior: asegura contraste de la barra de navegación */
        linear-gradient(to bottom, 
            rgba(5, 5, 5, 0.85) 0%, 
            rgba(5, 5, 5, 0.25) 9%,
            transparent 16%
        ),
        /* 3. Degradado vertical inferior: suaviza la base */
        linear-gradient(to top, 
            rgba(5, 5, 5, 0.85) 0%, 
            rgba(5, 5, 5, 0.25) 7%, 
            transparent 14%
        );
}

@media (max-width: 1024px) {
    .sb-sequence-gradient-overlay {
        background: 
            linear-gradient(to bottom, 
                rgba(5, 5, 5, 0.85) 0%, 
                rgba(5, 5, 5, 0.62) 35%,
                rgba(5, 5, 5, 0.62) 70%,
                rgba(5, 5, 5, 0.88) 100%
            );
    }
}

.sb-hero-content-wrap {
    position: relative;
    z-index: 4;
    max-width: 960px;
    margin: 0;
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.9);
}

/* Logo + título en una fila: el logo mide lo mismo que las dos líneas del h1 */
.sb-hero-title-row {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 1.75rem);
    margin-bottom: 1.5rem;
}

.sb-hero-title-row .sb-massive-title {
    margin: 0;
    min-width: 0;
}

.sb-hero-content-wrap .sb-lead-text,
.sb-hero-content-wrap .sb-complement-text {
    max-width: 820px;
}

@media (min-width: 601px) {
    .sb-hero-title-row .sb-massive-title span {
        white-space: nowrap;
    }
}

.sb-hero-logo {
    display: block;
    flex-shrink: 0;
    height: calc(var(--font-size-massive) * 1.96);
    width: auto;
    filter: drop-shadow(0 4px 24px rgba(0, 0, 0, 0.9));
}

@media (max-width: 600px) {
    .sb-hero-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
    }

    .sb-hero-logo {
        height: 84px;
    }
}

.sb-hero-content-wrap .sb-massive-title {
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.95);
}

.sb-hero-content-wrap .sb-lead-text {
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.9);
}

/* ==========================================================================
   TIPOGRAFÍA Y CONTENIDO
   ========================================================================== */
.sb-massive-title {
    font-size: var(--font-size-massive);
    font-weight: 800;
    line-height: 0.98;
    letter-spacing: -0.05em;
    margin: 0 0 1.5rem 0;
    text-transform: uppercase;
}

.sb-massive-title .line-1 {
    display: block;
    color: var(--text-color);
}

.sb-massive-title .line-2 {
    display: block;
    color: var(--accent);
}

.sb-section-title {
    font-size: var(--font-size-title);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin: 0 0 1.25rem 0;
    text-transform: uppercase;
}

.sb-section-title .line-1 {
    display: block;
    color: var(--text-color);
}

.sb-section-title .line-2 {
    display: block;
    color: var(--accent);
}

.sb-lead-text {
    font-size: var(--font-size-body);
    line-height: 1.65;
    color: var(--text-body);
    margin-bottom: 1.75rem;
}

.sb-complement-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 2rem;
    border-left: 2px solid var(--accent);
    padding-left: 1rem;
}

.sb-disclaimer {
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--text-secondary);
    border-left: 2px solid var(--border);
    padding-left: 0.85rem;
    margin-top: 1.5rem;
}

/* Hero actions */
.sb-hero-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.sb-hero-client-ref {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 2rem;
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.sb-hero-client-ref strong {
    color: var(--text-color);
}

/* 2. PROBLEMA: 3 DOLORES */
.sb-pain-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

.sb-pain-item {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.25rem 1.5rem;
    display: flex;
    gap: 1.25rem;
    align-items: baseline;
    transition: var(--transition-fast);
}

.sb-pain-item:hover {
    background: var(--surface-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.sb-pain-num {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.sb-pain-text strong {
    color: var(--text-color);
    font-size: 0.98rem;
    display: block;
    margin-bottom: 0.25rem;
}

.sb-pain-text p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--text-body);
    line-height: 1.5;
}

.sb-quote-closing {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-color);
    letter-spacing: -0.02em;
    padding: 1rem 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    margin: 1.5rem 0;
}

.sb-counter-sim-card {
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.sb-sim-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
}

.sb-sim-count-huge {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.05em;
    color: var(--text-color);
}

/* Simulación en 3 pasos fijos (sin animación ni clic) */
.sb-sim-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sb-sim-step {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding: 0.25rem 1.25rem;
    border-left: 1px solid var(--border-subtle);
}

.sb-sim-step:first-child {
    padding-left: 0;
    border-left: none;
}

.sb-sim-step:last-child {
    padding-right: 0;
}

.sb-sim-step-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
}

.sb-sim-steps .sb-sim-count-huge {
    font-size: clamp(2.6rem, 4vw, 3.4rem);
}

.sb-sim-unit {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0;
    color: var(--text-secondary);
}

.sb-sim-steps .sb-sim-status-banner {
    margin-top: auto;
    align-items: flex-start;
    line-height: 1.45;
}

@media (max-width: 768px) {
    .sb-sim-steps {
        grid-template-columns: 1fr;
    }

    .sb-sim-step,
    .sb-sim-step:first-child,
    .sb-sim-step:last-child {
        padding: 1.25rem 0;
        border-left: none;
        border-top: 1px solid var(--border-subtle);
    }

    .sb-sim-step:first-child {
        padding-top: 0;
        border-top: none;
    }
}

.sb-sim-count-huge.critical {
    color: var(--danger);
    text-shadow: 0 0 25px rgba(239, 68, 68, 0.4);
}

.sb-sim-status-banner {
    margin-top: 1rem;
    padding: 0.65rem 0.85rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.sb-sim-status-banner.normal {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

.sb-sim-status-banner.alert {
    background: var(--danger-subtle);
    color: #FCA5A5;
    border: 1px solid rgba(239, 68, 68, 0.35);
}

/* 3. MÓDULOS */
.sb-modules-accordion {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
    margin-top: 2rem;
}

.sb-module-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.5rem;
    transition: var(--transition-fast);
}

.sb-module-card:hover {
    background: var(--surface-card-hover);
    border-color: var(--border-accent);
}

.sb-module-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.85rem;
}

.sb-module-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-color);
    letter-spacing: -0.01em;
    line-height: 1.3;
    margin: 0;
}

.sb-module-what {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
}

.sb-module-points {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sb-module-points li {
    font-size: 0.84rem;
    color: var(--text-body);
    position: relative;
    padding-left: 1.25rem;
    line-height: 1.45;
}

.sb-module-points li::before {
    content: '·';
    position: absolute;
    left: 0.25rem;
    top: -0.1rem;
    color: var(--accent);
    font-weight: 900;
    font-size: 1.3rem;
}

/* 4. EDGE + NUBE */
.sb-edge-diagram {
    background: #000000;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.75rem 1.25rem;
    margin: 2rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    overflow-x: auto;
}

.sb-edge-node {
    text-align: center;
    min-width: 90px;
}

.sb-edge-node .box-name {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-color);
    display: block;
}

.sb-edge-node .box-sub {
    font-size: 0.68rem;
    color: var(--text-secondary);
    display: block;
    margin-top: 0.25rem;
}

.sb-edge-arrow {
    color: var(--accent);
    font-size: 0.95rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* Diagrama de arquitectura 3D (Three.js) */
.sb-arch {
    position: relative;
    margin: 2rem 0;
}

.sb-arch .sb-edge-diagram {
    margin: 0;
}

.sb-arch-stage {
    display: none;
    position: relative;
    height: clamp(360px, 34vw, 440px);
    background: var(--surface-deep);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
}

.sb-arch.is-3d .sb-arch-stage {
    display: block;
}

/* Con 3D activo, el diagrama HTML sigue disponible solo para lectores de pantalla */
.sb-arch.is-3d .sb-edge-diagram {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

.sb-arch-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.sb-arch-labels {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.sb-arch-label {
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    text-align: center;
    white-space: nowrap;
    will-change: transform;
}

.sb-arch-label[data-align="right"],
.sb-arch-label[data-align="corner"] {
    align-items: flex-start;
    text-align: left;
}

.sb-arch-name {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-color);
}

.sb-arch-sub {
    font-size: 0.68rem;
    color: var(--text-secondary);
}

.sb-arch-label--link {
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    background: rgba(0, 0, 0, 0.75);
    border: 1px solid var(--border-accent);
    border-radius: 100px;
    padding: 0.25rem 0.65rem;
}

.sb-arch-label--zone {
    font-size: 0.66rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
}

/* La bajada puede ocupar dos renglones para no pisar etiquetas vecinas */
.sb-arch-sub {
    white-space: normal;
    max-width: 10rem;
}

@media (max-width: 640px) {
    .sb-arch-stage {
        height: 640px;
    }
}

.sb-steps-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-top: 2rem;
}

.sb-step-num-pill {
    font-size: 0.72rem;
    font-weight: 800;
    color: var(--accent);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1px solid var(--border-accent);
    background: var(--accent-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* 5. MÉTRICAS */
.sb-metrics-block {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2.5rem 0 1.5rem;
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem 1.5rem;
}

.sb-metric-cell {
    text-align: left;
}

.sb-metric-cifra {
    font-size: clamp(2rem, 3.8vw, 3rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
    color: var(--accent);
    margin-bottom: 0.5rem;
    display: block;
}

.sb-metric-label {
    font-size: 0.82rem;
    color: var(--text-body);
    line-height: 1.4;
    display: block;
}

.sb-metrics-pie {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 1rem;
}

/* 6. ROADMAP */
.sb-package-highlight {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.08) 0%, rgba(34, 211, 238, 0) 100%), var(--surface-card-base);
    border: 1px solid var(--border-accent);
    border-radius: 20px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.sb-package-title {
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: 0.4rem;
}

.sb-package-desc {
    font-size: 0.95rem;
    color: var(--text-color);
    font-weight: 600;
    line-height: 1.45;
}

.sb-roadmap-grid {
    list-style: none;
    margin: 1.5rem 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
    gap: 1rem;
}

.sb-roadmap-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
    background: var(--surface-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 1.25rem 1.4rem;
}

.sb-roadmap-card strong {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.sb-roadmap-card > span:last-child {
    font-size: 0.86rem;
    color: var(--text-body);
    line-height: 1.5;
}

.sb-pilot-box {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.sb-pilot-box strong {
    color: var(--text-color);
    font-size: 0.98rem;
    display: block;
    margin-bottom: 0.35rem;
}

.sb-pilot-box p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin: 0;
    max-width: 520px;
}

/* 7. ALIANZAS */
/* 8. CIERRE */
.sb-closing-card {
    background: #000000;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: clamp(2rem, 5vw, 3.5rem);
    position: relative;
    overflow: hidden;
}

.sb-closing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent) 0%, #2532E6 100%);
}

.sb-closing-logo {
    display: block;
    width: clamp(96px, 12vw, 132px);
    height: auto;
    margin-bottom: 1.75rem;
}

.sb-contact-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.25rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
}

.sb-meta-item .meta-label {
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--muted);
    display: block;
    margin-bottom: 0.25rem;
}

.sb-meta-item .meta-val {
    font-size: 0.88rem;
    color: var(--text-color);
    font-weight: 600;
    text-decoration: none;
}

.sb-meta-item .meta-val:hover {
    color: var(--accent);
}

/* ==========================================================================
   PRUEBA SOCIAL, GRILLA DE MÓDULOS Y FAQ
   ========================================================================== */
.sb-chapter-step.sb-proof {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.sb-proof .sb-metrics-block {
    margin-top: 0.5rem;
}

.sb-sim-caption {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin: 2rem 0 0;
}

.sb-module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
    gap: 1.15rem;
    margin-top: 0.5rem;
}

.sb-module-grid .sb-module-header {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 0.6rem;
}

/* Implementación: pasos encadenados (patrón .step-card de auditoria.html) */
.sb-chain {
    --chain-gap: 2.25rem;
    list-style: none;
    margin: 1.25rem 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--chain-gap);
}

.sb-chain-step {
    position: relative;
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.75rem 1.5rem;
    transition: border-color 0.6s var(--ease-fluid), transform 0.6s var(--ease-fluid);
}

.sb-chain-step:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
}

/* Conector: línea cian + punta de flecha hacia el paso siguiente */
.sb-chain-step:not(:last-child)::after,
.sb-chain-step:not(:last-child)::before {
    content: '';
    position: absolute;
    pointer-events: none;
}

.sb-chain-step:not(:last-child)::after {
    top: 3rem;
    left: 100%;
    width: var(--chain-gap);
    height: 2px;
    background: linear-gradient(90deg, var(--border-accent), var(--accent));
}

.sb-chain-step:not(:last-child)::before {
    top: calc(3rem - 4px);
    left: calc(100% + var(--chain-gap) - 8px);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 8px solid var(--accent);
}

.sb-chain-num {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.04em;
    color: var(--accent);
    margin-bottom: 1.25rem;
}

.sb-chain-title {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1.3;
    color: var(--text-color);
    margin: 0 0 0.5rem;
}

.sb-chain-desc {
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--text-body);
    margin: 0;
}

/* Tablet: 2 × 2, conectores 1→2 y 3→4 */
@media (max-width: 960px) and (min-width: 641px) {
    .sb-chain {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sb-chain-step:nth-child(2)::after,
    .sb-chain-step:nth-child(2)::before {
        display: none;
    }
}

/* Celular: columna, conectores verticales */
@media (max-width: 640px) {
    .sb-chain {
        --chain-gap: 1.75rem;
        grid-template-columns: 1fr;
    }

    .sb-chain-step:not(:last-child)::after {
        top: 100%;
        left: 2.5rem;
        width: 2px;
        height: var(--chain-gap);
        background: linear-gradient(180deg, var(--border-accent), var(--accent));
    }

    .sb-chain-step:not(:last-child)::before {
        top: calc(100% + var(--chain-gap) - 8px);
        left: calc(2.5rem - 4px);
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-top: 8px solid var(--accent);
        border-bottom: 0;
    }
}

.sb-steps-heading {
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin: 0 0 0.5rem;
}

/* FAQ (details/summary nativo, sin JS) */
.sb-faq {
    max-width: 850px;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sb-faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sb-faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.4rem 0;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.35;
    transition: color 0.25s ease;
}

.sb-faq-item summary::-webkit-details-marker {
    display: none;
}

.sb-faq-item summary:hover,
.sb-faq-item[open] summary {
    color: var(--accent);
}

.sb-faq-icon {
    position: relative;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.sb-faq-icon::before,
.sb-faq-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    margin-top: -1px;
    background: currentColor;
}

.sb-faq-icon::after {
    transform: rotate(90deg);
}

.sb-faq-item[open] .sb-faq-icon {
    transform: rotate(135deg);
}

.sb-faq-item p {
    margin: 0 0 1.5rem;
    max-width: 720px;
    font-size: var(--font-size-body);
    color: var(--text-body);
    line-height: 1.65;
}

/* Texto suelto sobre el video: misma sombra que el hero */
.sb-chapter-step .sb-rotulo,
.sb-chapter-step .sb-section-title,
.sb-chapter-step .sb-lead-text,
.sb-quote-closing,
.sb-sim-caption,
.sb-metrics-pie,
.sb-disclaimer,
.sb-steps-list,
.sb-faq {
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.9);
}

/* Aclaración debajo de los CTA de WhatsApp */
.sb-cta-note {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0.9rem 0 0;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.9);
}

.sb-cta-note a {
    color: var(--text-color);
    text-decoration: underline;
    text-decoration-color: var(--border-accent);
    text-underline-offset: 3px;
}

.sb-cta-note a:hover {
    color: var(--accent);
}

.sb-section-cta {
    margin-top: 2rem;
}

/* WhatsApp Flotante */
.sb-wa-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1.6rem;
    border-radius: 100px;
    background: rgba(5, 5, 5, 0.92);
    border: 1px solid rgba(34, 211, 238, 0.4);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6), 0 0 18px rgba(34, 211, 238, 0.2);
    backdrop-filter: blur(12px);
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s ease,
                border-color 0.4s ease;
}

.sb-wa-float:hover {
    transform: translateY(-4px) scale(1.03);
    border-color: var(--accent);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.7), 0 0 24px rgba(34, 211, 238, 0.35);
    color: var(--text-color);
}

.sb-wa-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
    color: var(--accent);
    flex-shrink: 0;
}

/* Footer */
.sb-footer {
    background-color: var(--surface-deep);
    border-top: 1px solid var(--border);
    padding: 4rem var(--page-padding) 3rem;
    position: relative;
    z-index: 10;
}

.sb-footer-inner {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sb-footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 2rem;
}

.sb-footer-brand p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
    max-width: 440px;
    line-height: 1.6;
}

.sb-footer-legal {
    font-size: 0.75rem;
    color: var(--text-secondary);
    max-width: 500px;
    line-height: 1.6;
}

.sb-footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-subtle);
    padding-top: 2rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
    gap: 1rem;
}

/* Responsive adicional */
@media (max-width: 1200px) and (min-width: 1025px) {
    .sb-metrics-block {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

@media (max-width: 900px) {
    .sb-nav-menu {
        display: none;
    }

    .sb-mobile-toggle {
        display: block;
    }

    .sb-mobile-nav {
        display: flex;
    }

    .sb-header-inner {
        padding: 0.85rem 1.25rem;
    }

    .sb-wa-float span.sb-wa-label {
        display: none;
    }

    .sb-wa-float {
        padding: 0.85rem;
        bottom: 1.5rem;
        right: 1.5rem;
    }

    .sb-edge-diagram {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .sb-edge-arrow {
        transform: rotate(90deg);
        align-self: center;
    }

    .sb-edge-arrow--label {
        transform: none;
        font-size: 0.8rem;
        letter-spacing: 1px;
    }

    .sb-metrics-block {
        grid-template-columns: 1fr;
    }

    .sb-faq-item summary {
        font-size: 1rem;
    }
}

@media (max-width: 600px) {
    .sb-header-actions > .sb-btn-primary {
        display: none;
    }

    .sb-brand {
        gap: 0.6rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}


/* ==========================================================================
   CAPA HIGH-END (skill high-end-visual-design · prioridad sobre el manual
   en esta landing). Vibe: Ethereal Glass · Layout: bento asimétrico en módulos.
   ========================================================================== */
:root {
    --ease-fluid: cubic-bezier(0.32, 0.72, 0, 1);
    --transition: all 0.7s var(--ease-fluid);
    --transition-fast: all 0.45s var(--ease-fluid);
    --bezel-gap: 6px;
    --radius-core: calc(2rem - var(--bezel-gap));
}

/* --- Curvas propias en lugar de ease genérico --------------------------- */
.sb-nav-link { transition: color 0.5s var(--ease-fluid); }
.sb-nav-link::after { transition: width 0.6s var(--ease-fluid); }
#sb-sequence-canvas { transition: opacity 0.6s var(--ease-fluid); }
.sb-faq-item summary { transition: color 0.5s var(--ease-fluid); }
.sb-faq-icon { transition: transform 0.6s var(--ease-fluid); }
.sb-faq-icon::before,
.sb-faq-icon::after { height: 1.5px; margin-top: -0.75px; }

/* --- Header: isla de vidrio flotante, despegada del borde --------------- */
.sb-header {
    top: 1rem;
    left: 50%;
    width: min(1240px, calc(100% - 2rem));
    transform: translateX(-50%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    background: rgba(5, 5, 5, 0.72);
    backdrop-filter: blur(24px) saturate(140%);
    -webkit-backdrop-filter: blur(24px) saturate(140%);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08), 0 24px 48px -28px rgba(0, 0, 0, 0.7);
}

.sb-header-inner {
    max-width: none;
    padding: 0.45rem 0.45rem 0.45rem 1.5rem;
}

/* --- Hamburguesa que se transforma en X --------------------------------- */
.sb-mobile-toggle {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    align-items: center;
    justify-content: center;
}

.sb-burger {
    position: relative;
    display: block;
    width: 18px;
    height: 12px;
}

.sb-burger span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 1.5px;
    border-radius: 2px;
    background: currentColor;
    transition: transform 0.6s var(--ease-fluid), opacity 0.4s var(--ease-fluid), background-color 0.4s var(--ease-fluid);
}

.sb-burger span:nth-child(1) { top: 0; }
.sb-burger span:nth-child(2) { top: 5.25px; }
.sb-burger span:nth-child(3) { top: 10.5px; }

.sb-mobile-toggle[aria-expanded="true"] .sb-burger span { background: var(--accent); }
.sb-mobile-toggle[aria-expanded="true"] .sb-burger span:nth-child(1) { transform: translateY(5.25px) rotate(45deg); }
.sb-mobile-toggle[aria-expanded="true"] .sb-burger span:nth-child(2) { opacity: 0; transform: scaleX(0.2); }
.sb-mobile-toggle[aria-expanded="true"] .sb-burger span:nth-child(3) { transform: translateY(-5.25px) rotate(-45deg); }

/* --- Menú móvil: vidrio pesado + entrada escalonada --------------------- */
.sb-mobile-nav {
    padding-top: 7.5rem;
    background: rgba(5, 5, 5, 0.82);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    transition: opacity 0.6s var(--ease-fluid);
}

.sb-mobile-menu .sb-nav-link {
    font-size: 2rem;
    letter-spacing: -0.03em;
}

.sb-mobile-menu li,
.sb-mobile-cta {
    opacity: 0;
    transform: translate3d(0, 3rem, 0);
    transition: opacity 0.7s var(--ease-fluid), transform 0.7s var(--ease-fluid);
}

.sb-mobile-nav.open .sb-mobile-menu li,
.sb-mobile-nav.open .sb-mobile-cta {
    opacity: 1;
    transform: none;
}

.sb-mobile-nav.open .sb-mobile-menu li:nth-child(1) { transition-delay: 0.1s; }
.sb-mobile-nav.open .sb-mobile-menu li:nth-child(2) { transition-delay: 0.15s; }
.sb-mobile-nav.open .sb-mobile-menu li:nth-child(3) { transition-delay: 0.2s; }
.sb-mobile-nav.open .sb-mobile-menu li:nth-child(4) { transition-delay: 0.25s; }
.sb-mobile-nav.open .sb-mobile-menu li:nth-child(5) { transition-delay: 0.3s; }
.sb-mobile-nav.open .sb-mobile-cta { transition-delay: 0.38s; }

.sb-mobile-cta {
    margin-top: 2rem;
}

.sb-mobile-cta p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    text-align: center;
}

/* --- Rótulos: eyebrow en píldora ---------------------------------------- */
.sb-rotulo,
.sb-steps-heading,
.sb-sello {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.95rem;
    border-radius: 100px;
    border: 1px solid rgba(34, 211, 238, 0.25);
    background: rgba(34, 211, 238, 0.06);
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    line-height: 1.4;
}

.sb-rotulo { margin-bottom: 1.5rem; }
.sb-steps-heading { align-self: flex-start; margin-bottom: 0.5rem; }

/* Con el menú abierto, el botón flotante no tapa el pie del menú */
.sb-mobile-nav.open ~ .sb-wa-float {
    opacity: 0;
    pointer-events: none;
}

/* --- Botones: isla con flecha anidada (botón dentro del botón) ---------- */
.sb-btn-primary,
.sb-btn-ghost {
    gap: 0.85rem;
    padding: 0.45rem 0.45rem 0.45rem 1.5rem;
    transition: transform 0.6s var(--ease-fluid), background-color 0.6s var(--ease-fluid),
                border-color 0.6s var(--ease-fluid), box-shadow 0.6s var(--ease-fluid);
}

.sb-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.12);
    transition: transform 0.6s var(--ease-fluid), background-color 0.6s var(--ease-fluid);
}

.sb-btn-ghost .sb-btn-icon { background: rgba(255, 255, 255, 0.08); }

.sb-btn-icon svg {
    width: 1rem;
    height: 1rem;
}

.sb-btn-primary:hover .sb-btn-icon,
.sb-btn-ghost:hover .sb-btn-icon,
.sb-btn-primary:focus-visible .sb-btn-icon,
.sb-btn-ghost:focus-visible .sb-btn-icon {
    transform: translate(3px, -1px) scale(1.05);
}

.sb-btn-ghost[href="#producto"]:hover .sb-btn-icon {
    transform: translate(2px, 2px) scale(1.05);
}

.sb-btn-primary:active,
.sb-btn-ghost:active {
    transform: scale(0.98);
}

.sb-mobile-cta .sb-btn-primary {
    justify-content: space-between;
}

/* --- Doble bisel: núcleo con brillo interno + bandeja exterior ---------
   La bandeja se dibuja con dos anillos de box-shadow que siguen el radio,
   así no hace falta envolver cada tarjeta en otro div. */
.sb-pain-item,
.sb-counter-sim-card,
.sb-module-card,
.sb-metrics-block,
.sb-package-highlight,
.sb-roadmap-card,
.sb-pilot-box,
.sb-chain-step,
.sb-closing-card,
.sb-arch-stage,
.sb-edge-diagram {
    border-radius: var(--radius-core);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        inset 0 1px 1px rgba(255, 255, 255, 0.12),
        0 0 0 var(--bezel-gap) rgba(255, 255, 255, 0.025),
        0 0 0 calc(var(--bezel-gap) + 1px) rgba(255, 255, 255, 0.07);
}

.sb-package-highlight { border-color: var(--border-accent); }

.sb-module-card:hover,
.sb-chain-step:hover {
    border-color: var(--border-accent);
}

/* Más separación para que las bandejas respiren */
.sb-pain-list { gap: 1.5rem; }
.sb-module-grid { gap: 1.75rem; margin-top: 1rem; }
.sb-roadmap-grid { gap: 1.75rem; }
.sb-metrics-block { margin-top: 1.25rem; }

/* --- Módulos en bento asimétrico ---------------------------------------- */
@media (min-width: 900px) {
    .sb-module-grid {
        grid-template-columns: repeat(12, minmax(0, 1fr));
    }

    .sb-module-card:nth-child(1) { grid-column: span 7; }
    .sb-module-card:nth-child(2) { grid-column: span 5; }
    .sb-module-card:nth-child(3) { grid-column: span 5; }
    .sb-module-card:nth-child(4) { grid-column: span 7; }
    .sb-module-card:nth-child(5) { grid-column: span 6; }
    .sb-module-card:nth-child(6) { grid-column: span 6; }

    .sb-module-card:nth-child(1) .sb-module-title,
    .sb-module-card:nth-child(4) .sb-module-title {
        font-size: 1.45rem;
        letter-spacing: -0.03em;
    }

    .sb-module-card:nth-child(1),
    .sb-module-card:nth-child(4) {
        padding: 2rem;
    }
}

/* --- Macro-espacio entre secciones -------------------------------------- */
.sb-chapter-step { padding: clamp(5rem, 11vw, 10rem) 0; }
.sb-chapter-step.sb-proof { padding: clamp(4.5rem, 8vw, 7rem) 0; }

/* --- Sombras difusas (sin sombras negras duras) ------------------------- */
.sb-wa-float {
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.08), 0 24px 48px -24px rgba(0, 0, 0, 0.6), 0 0 18px rgba(34, 211, 238, 0.18);
    transition: transform 0.6s var(--ease-fluid), box-shadow 0.6s var(--ease-fluid), border-color 0.6s var(--ease-fluid);
}

.sb-wa-float:hover {
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1), 0 28px 56px -24px rgba(0, 0, 0, 0.65), 0 0 28px rgba(34, 211, 238, 0.3);
}

/* --- Entrada al hacer scroll (la clase la agrega stockbot.js) ----------- */
.sb-reveal {
    opacity: 0;
    transform: translate3d(0, 3rem, 0);
    transition: opacity 1s var(--ease-fluid), transform 1s var(--ease-fluid) !important;
}

.sb-reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* --- Celular ------------------------------------------------------------- */
@media (max-width: 900px) {
    .sb-header {
        top: 0.75rem;
        width: calc(100% - 1.5rem);
    }

    .sb-header-inner {
        padding: 0.4rem 0.4rem 0.4rem 1rem;
    }

    .sb-logo-svg {
        height: 28px;
    }

    .sb-mobile-toggle {
        display: inline-flex;
    }
}

@media (max-width: 768px) {
    .sb-module-grid,
    .sb-roadmap-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sb-reveal {
        opacity: 1;
        transform: none;
        transition: none !important;
    }

    .sb-mobile-menu li,
    .sb-mobile-cta {
        opacity: 1;
        transform: none;
    }
}