/* ========================================
   JEGADAT — Design System
   Estética: Stripe (referente principal) · nivel Linear / PilotOS / PhysioIntel.
   Tema claro, un solo acento (indigo). Sin degradados multicolor sobre texto,
   sin glassmorphism, sin orbes: pulido sobrio y tipográfico.
   ======================================== */

:root {
    /* Lienzo */
    --bg: #ffffff;
    --bg-muted: #f6f7f9;          /* secciones alternas */
    --surface: #ffffff;
    --surface-2: #f3f4f6;         /* chips / hover sutil */

    /* Bordes hairline */
    --border: #e7e9ee;
    --border-strong: #d6d9e0;

    /* Texto */
    --ink: #14161c;               /* títulos near-black */
    --ink-body: #444b58;          /* cuerpo (AA en blanco) */
    --ink-muted: #6b7280;         /* terciario / labels */

    /* Acento (indigo de marca) */
    --accent: #635bff;            /* indigo de PilotOS (Stripe blurple) */
    --accent-strong: #4f46e5;     /* texto/enlaces sobre blanco (≥4.5:1) */
    --accent-soft: rgba(99, 91, 255, 0.08);
    --accent-ring: rgba(99, 91, 255, 0.16);

    /* Sombras — suaves, estilo Stripe (tinte azulado frío) */
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
    --shadow-md: 0 4px 14px rgba(16, 24, 40, 0.06), 0 2px 5px rgba(16, 24, 40, 0.04);
    --shadow-lg: 0 14px 40px rgba(16, 24, 40, 0.10), 0 4px 10px rgba(16, 24, 40, 0.05);
    --shadow-xl: 0 30px 70px -16px rgba(20, 22, 40, 0.22);

    /* Motion — firma Stripe/Linear */
    --ease: cubic-bezier(0.16, 1, 0.3, 1);

    --maxw: 1280px;
    --gutter: clamp(1.25rem, 5vw, 3rem);
    --nav-h: 80px;
}

/* ===================== Base ===================== */

html {
    -webkit-text-size-adjust: 100%;
    /* Scrollbar fina y sobria (Firefox) — en móvil el scrollbar es overlay nativo */
    scrollbar-width: thin;
    scrollbar-color: #cdd0d5 transparent;
}

/* Scrollbar fina (Chrome / Edge / Safari) — thumb con padding via border transparente */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background-color: #cdd0d5;
    border-radius: 999px;
    border: 3px solid transparent;
    background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #b3b8c2;
    background-clip: padding-box;
}

body {
    background-color: var(--bg);
    color: var(--ink-body);
    letter-spacing: -0.011em;
    font-feature-settings: "cv01", "ss03";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(99, 102, 241, 0.18);
    color: var(--ink);
}

/* ===================== Layout ===================== */

.site-container {
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.site-section {
    padding-block: clamp(3.5rem, 5.5vw, 5rem);
}

.site-section--tight {
    padding-block: clamp(3rem, 6vw, 4.5rem);
}

/* Ancla de navegación: el borde superior de la sección cae justo bajo el header
   fijo (var(--nav-h)). Simple y predecible en todas las pantallas — se ve el
   inicio real de la sección, y el padding-top de .site-section da el aire. */
.section-anchor {
    scroll-margin-top: var(--nav-h);
}

/* separador hairline con degradado (más fino que un border sólido) */
.hairline {
    height: 1px;
    border: 0;
    background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}

.section-divider {
    border-top: 1px solid var(--border);
}

/* ===================== Tipografía ===================== */

.eyebrow {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    color: var(--accent-strong);
}

.site-hero-title {
    font-size: clamp(2.25rem, 1.1rem + 5.2vw, 4.4rem);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.05;
    color: var(--ink);
    text-wrap: balance;
}

.site-h2 {
    font-size: clamp(1.95rem, 1rem + 2.6vw, 2.9rem);
    font-weight: 700;
    letter-spacing: -0.032em;
    line-height: 1.08;
    color: var(--ink);
    text-wrap: balance;
}

.site-h3 {
    font-size: 1.1875rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.3;
    color: var(--ink);
}

.site-sub {
    font-size: clamp(1.0625rem, 0.9rem + 0.6vw, 1.25rem);
    line-height: 1.6;
    color: var(--ink-body);
    letter-spacing: -0.011em;
}

.site-body {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--ink-body);
}

/* acento de color como palabra resaltada puntual */
.ink-accent {
    color: var(--accent-strong);
}

/* Degradado de marca JEGADAT (indigo → púrpura → magenta) sobre texto */
.text-gradient {
    background: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* enlace de texto sobrio */
.link-accent {
    color: var(--accent-strong);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.15s var(--ease);
}

.link-accent:hover {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ===================== Botones ===================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    border-radius: 6px;
    padding: 0.7rem 1.15rem;
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.18s var(--ease), border-color 0.18s var(--ease),
        color 0.18s var(--ease), box-shadow 0.18s var(--ease), transform 0.12s var(--ease);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.btn-primary:hover {
    background: #5952e6;
    box-shadow: 0 6px 18px rgba(99, 91, 255, 0.38);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0) scale(0.99);
}

.btn-secondary {
    background: var(--surface);
    color: var(--ink);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--surface-2);
    border-color: #c3c7d0;
    transform: translateY(-1px);
}

.btn-lg {
    padding: 0.85rem 1.4rem;
    font-size: 1rem;
}

/* Botón fantasma sobre fondo oscuro (hero) */
.btn-ghost-light {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.24);
    box-shadow: none;
}

.btn-ghost-light:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.38);
    transform: translateY(-1px);
}

/* chevron que se desliza en hover (firma Linear/Stripe) */
.chevron-cta {
    transition: transform 0.2s var(--ease);
}

.btn:hover .chevron-cta,
.group:hover .chevron-cta {
    transform: translateX(3px);
}

/* chevron hacia abajo (CTA que baja a una sección) */
.chevron-down {
    transition: transform 0.2s var(--ease);
}

.btn:hover .chevron-down,
.group:hover .chevron-down {
    transform: translateY(2px);
}

/* ===================== Cards ===================== */

.surface-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease),
        transform 0.2s var(--ease);
}

.surface-card--interactive:hover {
    border-color: var(--accent-ring);
    box-shadow: var(--shadow-lg), 0 10px 34px -12px rgba(99, 91, 255, 0.28);
    transform: translateY(-3px);
}

/* chip de icono sobrio (reemplaza los cuadritos de color saturado) */
.icon-chip {
    display: inline-grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface-2);
    color: var(--accent);
}

.icon-chip svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Bento (estética Linear/Stripe: cuadrados con hairline + ícono de expandir) */
.bento-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease),
        transform 0.2s var(--ease);
}

.bento-card:hover {
    border-color: var(--accent-ring);
    box-shadow: var(--shadow-lg), 0 10px 34px -12px rgba(99, 91, 255, 0.28);
    transform: translateY(-3px);
}

.bento-expand {
    position: absolute;
    top: 1.1rem;
    right: 1.1rem;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border-radius: 6px;
    display: grid;
    place-items: center;
    color: var(--ink-muted);
    background: var(--surface-2);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: color 0.18s var(--ease), background 0.18s var(--ease),
        border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.bento-card:hover .bento-expand,
.bento-expand:hover {
    color: var(--accent-strong);
    border-color: var(--accent-ring);
    background: var(--surface);
}

.bento-expand:hover {
    transform: scale(1.06);
}

.bento-expand svg {
    width: 0.95rem;
    height: 0.95rem;
}

/* Lista de features dentro del modal de detalle */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.feature-list li {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--ink-body);
}

.feature-list svg {
    width: 1.1rem;
    height: 1.1rem;
    color: var(--accent);
    flex: none;
    margin-top: 0.12rem;
}

/* Mini-visual significativo dentro de las cards bento (comunica de qué va la card) */
.mini-panel {
    min-height: 150px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface-2);
    padding: 0.85rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.mini-chart {
    width: 100%;
    height: auto;
    display: block;
}

.chat-bubble {
    font-size: 0.76rem;
    line-height: 1.35;
    padding: 0.4rem 0.65rem;
    border-radius: 10px;
    max-width: 92%;
}

.chat-bubble--user {
    align-self: flex-end;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--ink-body);
    border-bottom-right-radius: 4px;
}

.chat-bubble--ai {
    align-self: flex-start;
    background: var(--accent-soft);
    border: 1px solid var(--accent-ring);
    color: var(--ink);
    border-bottom-left-radius: 4px;
}

.mini-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.mini-term {
    font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    font-size: 0.74rem;
    line-height: 1.6;
    color: var(--ink-body);
}

/* fila de datos (mini visual para producto) */
.mini-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.78rem;
}

.mini-bar {
    height: 6px;
    border-radius: 999px;
    background: var(--border);
    overflow: hidden;
}

.mini-bar > span {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #635bff, #818cf8);
}

/* Punto "en vivo" con halo pulsante (detalle Linear) */
.live-dot {
    position: relative;
}

.live-dot::after {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: rgba(34, 197, 94, 0.35);
    animation: livePulse 2.2s ease-out infinite;
}

@keyframes livePulse {
    0% { transform: scale(0.55); opacity: 0.7; }
    100% { transform: scale(1.7); opacity: 0; }
}

/* Tile visual de producto (estilo "customer stories" de Stripe) */
.product-tile {
    position: relative;
    height: 200px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    padding: 1.25rem 1.5rem;
}

.product-grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 30px 30px;
    -webkit-mask-image: radial-gradient(110% 90% at 72% 16%, #000 6%, transparent 74%);
    mask-image: radial-gradient(110% 90% at 72% 16%, #000 6%, transparent 74%);
}

/* hover de marca en el icon-chip dentro de las cards */
.bento-card:hover .icon-chip {
    border-color: var(--accent-ring);
    background: var(--accent-soft);
}

/* CTA card — banner de conversión (estilo PilotOS) */
.cta-card {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    border-radius: 6px;
    text-align: center;
    padding: clamp(2.75rem, 6vw, 4.75rem) clamp(1.5rem, 5vw, 4rem);
    background: linear-gradient(115deg, #9b8cf5 0%, #cf3f9c 48%, #fb8a2e 100%);
}

/* mesh cálido animado (estilo Stripe — lavanda → magenta → naranja) */
.cta-card::before {
    content: "";
    position: absolute;
    inset: -40%;
    z-index: -1;
    background:
        radial-gradient(42% 52% at 16% 20%, rgba(196, 181, 253, 0.90), transparent 60%),
        radial-gradient(48% 58% at 34% 92%, rgba(219, 39, 119, 0.78), transparent 60%),
        radial-gradient(52% 62% at 90% 34%, rgba(251, 146, 60, 0.95), transparent 60%),
        radial-gradient(40% 50% at 72% 90%, rgba(251, 191, 36, 0.70), transparent 62%);
    filter: blur(52px);
    animation: ctaAurora 18s ease-in-out infinite alternate;
}

@keyframes ctaAurora {
    0%   { transform: translate(-4%, -3%) rotate(0deg) scale(1.06); }
    50%  { transform: translate(4%, 3%) rotate(8deg) scale(1.16); }
    100% { transform: translate(-3%, 4%) rotate(-6deg) scale(1.08); }
}

.cta-card .site-h2 {
    color: #ffffff;
    text-shadow: 0 1px 22px rgba(76, 19, 64, 0.32);
}

.cta-card .site-sub {
    color: rgba(255, 255, 255, 0.94);
    text-shadow: 0 1px 14px rgba(76, 19, 64, 0.28);
}

/* Cierre fusionado: panel izquierdo de Contacto con el gradiente cálido (estilo Stripe).
   Un solo cierre vibrante = gradiente (info) + formulario (blanco). */
.contact-aside {
    position: relative;
    isolation: isolate;
    background: linear-gradient(155deg, #9b8cf5 0%, #cf3f9c 52%, #fb8a2e 100%);
}
.contact-aside .site-h2,
.contact-aside .site-h2 .text-primary,
.contact-aside .text-ink,
.contact-aside strong { color: #ffffff; }
.contact-aside .site-sub,
.contact-aside .text-ink-body { color: rgba(255, 255, 255, 0.92); }
.contact-aside .text-ink-muted { color: rgba(255, 255, 255, 0.74); }
/* íconos de la columna → blanco (el SVG de Outlook usa fill fijo, no se afecta) */
.contact-aside > div svg,
.contact-aside .text-primary { color: #ffffff; }
/* hover de los enlaces de contacto: mantener claro sobre el gradiente */
.contact-aside .group:hover .text-ink-body,
.contact-aside .group:hover svg { color: #ffffff; }
/* divisores hairline → blanco translúcido */
.contact-aside .border-hair { border-color: rgba(255, 255, 255, 0.22); }
/* el popover de email es un panel blanco: restaurar colores oscuros legibles */
.contact-aside #email-options,
.contact-aside #email-options .text-ink-body { color: var(--ink-body); }
.contact-aside #email-options a:hover { color: var(--ink); }
.contact-aside #email-options svg { color: inherit; }

/* ===================== Color + animación de fondo (estilo Stripe) ===================== */

/* Aurora animada del hero — capa de color que fluye detrás del contenido */
.hero-aurora {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-aurora::before {
    content: "";
    position: absolute;
    inset: -35%;
    background:
        radial-gradient(30% 40% at 20% 30%, rgba(99, 91, 255, 0.55), transparent 60%),
        radial-gradient(32% 42% at 80% 25%, rgba(124, 58, 237, 0.42), transparent 60%),
        radial-gradient(42% 52% at 65% 85%, rgba(251, 146, 60, 0.36), transparent 60%),
        radial-gradient(30% 40% at 15% 80%, rgba(56, 189, 248, 0.30), transparent 60%);
    filter: blur(58px);
    opacity: 0.68;
    animation: heroAurora 18s ease-in-out infinite alternate;
}

@keyframes heroAurora {
    0%   { transform: translate(-4%, -3%) rotate(0deg) scale(1.06); }
    50%  { transform: translate(4%, 3%) rotate(7deg) scale(1.2); }
    100% { transform: translate(-3%, 4%) rotate(-6deg) scale(1.1); }
}

/* Experimento: agujero de gusano (vórtice de luz) en el hero — brilla sobre la foto */
.hero-wormhole {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: none;
    mix-blend-mode: screen;
    opacity: 0.85;
}

@media (prefers-reduced-motion: reduce) {
    .hero-wormhole { opacity: 0.5; }
}

/* Float sutil en los links de productos del hero (estilo Linear — atrae el ojo sin gritar) */
@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}
.hero-product {
    animation: heroFloat 5s ease-in-out infinite;
}
.hero-product:nth-of-type(2) {
    animation-delay: -2.5s;
}
.hero-product:hover {
    animation-play-state: paused;
}
@media (prefers-reduced-motion: reduce) {
    .hero-product { animation: none; }
}

/* Tintes de sección sutiles (rompen el blanco/gris plano) */
.section-muted {
    background:
        radial-gradient(80% 55% at 12% 0%, rgba(99, 91, 255, 0.09), transparent 60%),
        radial-gradient(70% 50% at 92% 14%, rgba(56, 189, 248, 0.06), transparent 60%),
        var(--bg-muted);
}

.section-warm {
    background:
        radial-gradient(80% 55% at 15% 0%, rgba(251, 146, 60, 0.08), transparent 60%),
        radial-gradient(70% 52% at 88% 10%, rgba(236, 72, 153, 0.05), transparent 62%),
        var(--bg-muted);
}

.section-tint {
    background:
        radial-gradient(70% 55% at 88% 0%, rgba(99, 91, 255, 0.08), transparent 60%),
        radial-gradient(60% 50% at 8% 22%, rgba(251, 146, 60, 0.05), transparent 60%),
        var(--surface);
}

/* Aurora de sección — color que deriva despacio detrás del contenido (mismo gesto que el hero) */
.section-aurora {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.section-aurora::before {
    content: "";
    position: absolute;
    inset: -28%;
    background:
        radial-gradient(34% 42% at 16% 26%, rgba(99, 91, 255, 0.30), transparent 60%),
        radial-gradient(36% 46% at 84% 20%, rgba(56, 189, 248, 0.22), transparent 60%),
        radial-gradient(42% 52% at 70% 90%, rgba(124, 58, 237, 0.20), transparent 62%);
    filter: blur(72px);
    opacity: 0.6;
    animation: sectionDrift 26s ease-in-out infinite alternate;
}

.section-aurora--warm::before {
    background:
        radial-gradient(34% 42% at 15% 24%, rgba(251, 146, 60, 0.28), transparent 60%),
        radial-gradient(36% 48% at 85% 24%, rgba(236, 72, 153, 0.22), transparent 60%),
        radial-gradient(42% 52% at 66% 92%, rgba(168, 85, 247, 0.18), transparent 62%);
}

@keyframes sectionDrift {
    0%   { transform: translate(-3%, -2%) scale(1.05); }
    50%  { transform: translate(3%, 2%) scale(1.13); }
    100% { transform: translate(-2%, 3%) scale(1.07); }
}

@media (prefers-reduced-motion: reduce) {
    .section-aurora::before { animation: none; }
}

/* Sección de escala — fondo navy + cinta de ondas (canvas) + stats con degradado */
.stats-ribbon { background: #0b1020; }
.stats-ribbon canvas { display: block; }

.stat-num {
    display: block;
    font-weight: 700;
    font-size: clamp(2.75rem, 5vw, 4rem);
    line-height: 1;
    letter-spacing: -0.03em;
    background: linear-gradient(110deg, #fb923c 0%, #ec4899 46%, #a855f7 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-label {
    margin-top: 0.6rem;
    font-size: 0.95rem;
    line-height: 1.5;
    letter-spacing: -0.005em;
    color: #94a3b8;
}

/* Hero oscuro (fondo original con foto) */
.hero-dark {
    background-color: #0f172a;
}

.hero-dark .site-hero-title {
    color: #ffffff;
    text-shadow: 0 1px 3px rgba(2, 6, 23, 0.45);
}

.hero-dark .site-sub {
    color: #e2e8f0;
    text-shadow: 0 1px 2px rgba(2, 6, 23, 0.45);
}


/* etiqueta de estado (pill) — sobria, hairline */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    border: 1px solid var(--border-strong);
    background: var(--surface);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    color: var(--ink-muted);
}

.status-pill .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ink-muted);
}

.status-pill--live {
    color: var(--accent-strong);
    border-color: var(--accent-ring);
    background: var(--accent-soft);
}

.status-pill--live .dot {
    background: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
}

/* ===================== Campos de formulario ===================== */

.field {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    padding: 0.7rem 0.85rem;
    font-size: 0.95rem;
    color: var(--ink);
    transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
    outline: none;
}

.field::placeholder {
    color: var(--ink-muted);
}

.field:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-ring);
}

.field-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    color: var(--ink);
    margin-bottom: 0.4rem;
}

select.field {
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    padding-right: 2.4rem;
}

/* ===================== Navbar ===================== */

.site-nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 50;
    height: var(--nav-h);
    background: #ffffff;
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.site-nav.is-scrolled {
    border-bottom-color: var(--border);
    box-shadow: 0 1px 0 rgba(16, 24, 40, 0.02);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--ink-body);
    transition: color 0.15s var(--ease);
}

.nav-link:hover {
    color: var(--ink);
}

/* Menú móvil — sheet full-height (patrón PilotOS/PhysioIntel, tema claro) */
.nav-sheet {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    height: calc(100dvh - var(--nav-h));
    background: #ffffff;
    z-index: 49;
    overflow-y: auto;
    padding-bottom: max(2rem, calc(env(safe-area-inset-bottom, 0px) + 1rem));
    animation: navSheetIn 0.28s var(--ease);
}

@keyframes navSheetIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: none; }
}

.nav-sheet-link {
    display: flex;
    align-items: center;
    min-height: 54px;
    font-size: 1.0625rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--ink);
    border-bottom: 1px solid var(--border);
    transition: color 0.15s var(--ease);
}

.nav-sheet-link:hover {
    color: var(--accent-strong);
}

/* ===================== Hero — telón estilo Stripe ===================== */

.hero {
    background: linear-gradient(180deg, #ffffff 0%, #fbfbfd 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

/* cinta diagonal indigo (gesto Stripe, en una sola familia de color, contenida) */
.hero-bg::before {
    content: "";
    position: absolute;
    top: -35%;
    left: -10%;
    right: -10%;
    height: 150%;
    background: linear-gradient(112deg,
            rgba(99, 102, 241, 0.12) 0%,
            rgba(129, 140, 248, 0.10) 22%,
            rgba(56, 189, 248, 0.06) 42%,
            rgba(255, 255, 255, 0) 62%);
    transform: skewY(-7deg);
    transform-origin: top left;
}

/* retícula de ingeniería que se desvanece (sutil, near-black) */
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(16, 24, 40, 0.045) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(16, 24, 40, 0.045) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(125% 75% at 50% 0%, #000 28%, transparent 74%);
    mask-image: radial-gradient(125% 75% at 50% 0%, #000 28%, transparent 74%);
}

/* ===================== Reveal on scroll ===================== */

.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
    transition-delay: var(--reveal-delay, 0ms);
    will-change: opacity, transform;
}

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

/* ===================== Marquee de tecnologías ===================== */

#marquee-track {
    will-change: transform;
}

.marquee-content {
    gap: 3.5rem;
    padding-right: 3.5rem;
}

.marquee-content > div {
    min-width: 100px;
}

/* máscara de difuminado en los bordes (corte limpio estilo Stripe) */
.marquee-mask {
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

/* Logos en color; al pasar el mouse el carrusel frena (JS) y todo va a B&N
   excepto el logo bajo el cursor — patrón Stripe. */
.tech-marquee .marquee-item {
    transition: filter 0.3s var(--ease), opacity 0.3s var(--ease);
}

.tech-marquee:hover .marquee-item {
    filter: grayscale(1);
    opacity: 0.4;
}

.tech-marquee:hover .marquee-item:hover {
    filter: none;
    opacity: 1;
}

/* ===================== Foco accesible (WCAG 2.4.7) ===================== */

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* los campos ya tienen su propio anillo (box-shadow en :focus) */
.field:focus-visible {
    outline: none;
}

/* ===================== Áreas seguras iOS ===================== */

@supports (bottom: max(0px)) {
    #whatsapp-btn,
    #cookie-banner {
        bottom: max(1.5rem, env(safe-area-inset-bottom, 1.5rem));
    }
    #form-feedback {
        bottom: max(6rem, calc(env(safe-area-inset-bottom, 0px) + 4.5rem));
    }
}

/* ===================== Scrollbar (modal de cookies, tema claro) ===================== */

.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(16, 24, 40, 0.15);
    border-radius: 3px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(16, 24, 40, 0.28);
}

/* ===================== Toasts (feedback del formulario) ===================== */

@keyframes toastIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes toastOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(8px); }
}
.toast-enter {
    animation: toastIn 0.35s var(--ease) forwards;
}
.toast-exit {
    animation: toastOut 0.2s ease-in forwards;
}

/* ===================== Campo de teléfono condicional ===================== */

#conditional-phone {
    max-height: 0;
    margin-top: 0;
}

/* ===================== Botón flotante de WhatsApp ===================== */

#whatsapp-btn {
    transition: opacity 0.5s ease, transform 0.5s ease, background-color 0.3s,
        border-color 0.3s, box-shadow 0.3s, max-width 0.4s ease;
    max-width: 48px;
}

/* ===================== Páginas legales (estilo docs Stripe/Linear) ===================== */
.legal-page { padding-top: calc(var(--nav-h) + 2.5rem); padding-bottom: 6rem; }

.legal-tabs { display: inline-flex; gap: 0.25rem; padding: 0.25rem; border: 1px solid var(--border); border-radius: 8px; background: var(--surface-2); margin-bottom: 3rem; }
@media (max-width: 767px) { .legal-tabs { display: flex; flex-wrap: wrap; justify-content: center; max-width: 100%; } .legal-tab { padding: 0.4rem 0.7rem; font-size: 0.8rem; } }
.legal-tab { padding: 0.45rem 0.95rem; border-radius: 6px; font-size: 0.875rem; font-weight: 600; letter-spacing: -0.01em; color: var(--ink-muted); transition: color .15s var(--ease), background .15s var(--ease); }
.legal-tab:hover { color: var(--ink); }
.legal-tab--active { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }

.legal-grid { display: grid; gap: 3rem; }
@media (min-width: 1024px) { .legal-grid { grid-template-columns: minmax(0, 1fr) 240px; gap: 4.5rem; } }

.legal-prose { max-width: 720px; min-width: 0; color: var(--ink-body); }
.legal-title { font-size: clamp(2rem, 1.2rem + 2.6vw, 2.75rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; color: var(--ink); margin: 0.5rem 0 0; text-wrap: balance; }
.legal-updated { font-size: 0.8125rem; color: var(--ink-muted); margin: 0.75rem 0 1.75rem; }
.legal-prose h2 { font-size: 1.35rem; font-weight: 600; letter-spacing: -0.02em; color: var(--ink); margin: 2.75rem 0 1rem; padding-bottom: 0.65rem; border-bottom: 1px solid var(--border); scroll-margin-top: calc(var(--nav-h) + 1.5rem); }
.legal-prose h3 { font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.015em; color: var(--ink); margin: 1.6rem 0 0.5rem; }
.legal-prose p { font-size: 0.9375rem; line-height: 1.7; letter-spacing: -0.006em; margin: 0 0 0.95rem; }
.legal-prose ul { list-style: none; padding: 0; margin: 0 0 1.1rem; }
.legal-prose li { position: relative; padding-left: 1.45rem; font-size: 0.9375rem; line-height: 1.7; margin-bottom: 0.5rem; color: var(--ink-body); }
.legal-prose li::before { content: ""; position: absolute; left: 0.3rem; top: 0.72rem; width: 5px; height: 5px; border-radius: 999px; background: var(--accent); }
.legal-prose strong { color: var(--ink); font-weight: 600; }
.legal-prose a { color: var(--accent-strong); text-decoration: underline; text-underline-offset: 2px; overflow-wrap: anywhere; }
.legal-prose a:hover { color: var(--accent); }

.legal-callout { border: 1px solid var(--border); background: var(--surface-2); border-radius: 8px; padding: 1rem 1.15rem; margin: 0 0 2.25rem; font-size: 0.9rem; line-height: 1.65; color: var(--ink-body); }
.legal-callout-title { font-weight: 600; color: var(--ink); margin-bottom: 0.25rem; }

/* móvil: el índice va arriba del contenido como una caja compacta */
.legal-toc-aside { order: -1; }
.legal-toc { margin-bottom: 2.25rem; padding: 1.1rem 1.25rem; border: 1px solid var(--border); border-radius: 6px; background: var(--surface-2); }
/* desktop (lg+): rail sticky a la derecha */
@media (min-width: 1024px) {
    .legal-toc-aside { order: 0; }
    .legal-toc { position: sticky; top: calc(var(--nav-h) + 1.25rem); margin-bottom: 0; padding: 0; border: 0; border-radius: 0; background: transparent; }
}
.legal-toc-title { margin-bottom: 0.9rem; font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-muted); }
.legal-toc ul { border-left: 1px solid var(--border); display: flex; flex-direction: column; }
.legal-toc-link { margin-left: -1px; display: block; border-left: 2px solid transparent; padding: 0.4rem 0 0.4rem 0.9rem; font-size: 0.8125rem; line-height: 1.4; color: var(--ink-muted); transition: color .15s var(--ease), border-color .15s var(--ease); }
.legal-toc-link:hover { color: var(--ink-body); }
.legal-toc-link.is-active { border-left-color: var(--accent); color: var(--ink); }

/* ===================== Reduced motion (WCAG 2.2.2 / 2.3.3) ===================== */

@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;
    }

    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }

    .toast-enter,
    .toast-exit,
    #whatsapp-btn {
        animation: none !important;
        transition: none !important;
    }

    /* el marquee escribe transform inline vía JS; congelarlo con !important */
    #marquee-track {
        transform: none !important;
    }
}