/* Landing de Digitalix. Paleta corporativa heredada de la app (azul oklch 240),
   tipografía Inter, estilo limpio. CSS propio, sin dependencias externas. */

:root {
    --corp-900: oklch(0.18 0.06 240);
    --corp-800: oklch(0.24 0.08 240);
    --corp-700: oklch(0.32 0.10 240);
    --corp-600: oklch(0.42 0.12 240);
    --corp-500: oklch(0.52 0.14 240);
    --corp-400: oklch(0.64 0.14 240);
    --corp-300: oklch(0.76 0.10 240);

    --tinta: #111827;
    --tinta-suave: #4b5563;
    --tinta-tenue: #6b7280;
    --linea: #e5e7eb;
    --linea-oscura: oklch(0.64 0.14 240 / 0.2);
    --fondo: #ffffff;
    --fondo-alt: #f7f9fc;
    --radio: 16px;
    --sombra: 0 10px 30px -12px rgba(15, 30, 60, 0.18);
    --max: 1120px;
}

*,
::before,
::after {
    box-sizing: border-box;
}

html {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--tinta);
    background: var(--fondo);
}

svg {
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

h1, h2, h3 {
    margin: 0;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.contenedor {
    width: 100%;
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 24px;
}

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

.boton {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    border-radius: 999px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    white-space: nowrap;
}

.boton svg {
    width: 18px;
    height: 18px;
}

.boton-sm { padding: 9px 18px; font-size: 0.9rem; }
.boton-lg { padding: 14px 26px; font-size: 1.02rem; }

.boton-primario {
    background: var(--corp-600);
    color: #fff;
    box-shadow: 0 8px 20px -8px oklch(0.42 0.12 240 / 0.6);
}
.boton-primario:hover {
    background: var(--corp-700);
    transform: translateY(-1px);
}

.boton-secundario {
    background: #fff;
    color: var(--corp-700);
    border: 1px solid var(--linea);
}
.boton-secundario:hover {
    border-color: var(--corp-400);
    transform: translateY(-1px);
}

.boton-claro {
    background: #fff;
    color: var(--corp-800);
}
.boton-claro:hover { transform: translateY(-1px); }

/* ============================== Nav ============================== */

.nav {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: saturate(160%) blur(10px);
    border-bottom: 1px solid var(--linea);
}

.nav-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 68px;
}

.marca {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
}

.marca-icono {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    color: #fff;
    background: linear-gradient(135deg, var(--corp-500), var(--corp-700));
}
.marca-icono svg { width: 22px; height: 22px; }

.marca-sufijo { color: var(--corp-500); font-weight: 600; }

.nav-links {
    display: flex;
    gap: 28px;
    margin-left: auto;
    font-size: 0.95rem;
    color: var(--tinta-suave);
}
.nav-links a:hover { color: var(--corp-700); }

.nav .boton-primario { margin-left: 8px; }

/* ============================== Hero ============================== */

.hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(1200px 500px at 80% -10%, oklch(0.76 0.10 240 / 0.18), transparent 60%),
        linear-gradient(180deg, #fff 0%, var(--fondo-alt) 100%);
}

.hero-inner {
    position: relative;
    z-index: 1;
    padding: 96px 24px 88px;
    text-align: center;
    max-width: 860px;
}

.pill {
    display: inline-block;
    padding: 7px 16px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--corp-700);
    background: oklch(0.76 0.10 240 / 0.16);
    border: 1px solid oklch(0.64 0.14 240 / 0.25);
}

.hero-titulo {
    margin-top: 22px;
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 800;
}

.degradado {
    background: linear-gradient(120deg, var(--corp-500), var(--corp-700));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-sub {
    margin: 22px auto 0;
    max-width: 660px;
    font-size: 1.12rem;
    color: var(--tinta-suave);
}

.hero-acciones {
    margin-top: 34px;
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Decoración geométrica del hero */
.hero-decoracion { position: absolute; inset: 0; z-index: 0; }
.deco {
    position: absolute;
    opacity: 0.5;
    background: linear-gradient(135deg, var(--corp-300), var(--corp-500));
}
.deco-cuadro-1 { top: 70px; left: 8%; width: 56px; height: 56px; border-radius: 14px; transform: rotate(18deg); opacity: 0.35; }
.deco-circulo { top: 180px; right: 10%; width: 90px; height: 90px; border-radius: 50%; opacity: 0.25; }
.deco-rombo { bottom: 80px; left: 14%; width: 44px; height: 44px; transform: rotate(45deg); border-radius: 8px; opacity: 0.3; }
.deco-cuadro-2 { bottom: 120px; right: 16%; width: 70px; height: 70px; border-radius: 16px; transform: rotate(-12deg); opacity: 0.28; }

/* ============================== Secciones ============================== */

.seccion { padding: 88px 0; }

/* Banda oscura para "Cómo funciona" — rompe la secuencia de secciones claras
   y le da contraste/vida a la página. */
.seccion-oscura {
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, var(--corp-800), var(--corp-900));
    color: #fff;
}
.seccion-oscura .seccion-kicker { color: var(--corp-300); }
.seccion-oscura .seccion-titulo { color: #fff; }

/* Encabezado de sección centrado (sección fusionada estilo winfarma) */
.seccion-head { text-align: center; }
.seccion-head .seccion-titulo { margin-left: auto; margin-right: auto; }

.seccion-kicker {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--corp-500);
}

.seccion-titulo {
    margin-top: 10px;
    font-size: clamp(1.6rem, 3.5vw, 2.3rem);
    font-weight: 800;
    max-width: 720px;
}

/* Grilla de funciones (estilo winfarma): items separados por líneas finas
   sobre la banda oscura, sin fondo de card. Los divisores internos se definen
   por breakpoint (ver Responsive) para evitar conflictos de especificidad. */
.grid-funciones {
    margin-top: 52px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}
.funcion {
    padding: 30px;
    transition: background 0.18s ease;
}
.funcion:hover { background: oklch(0.64 0.14 240 / 0.06); }

.funcion h3 {
    display: flex;
    align-items: center;
    gap: 11px;
    margin: 0 0 10px;
    font-size: 1.12rem;
    color: #fff;
}
.funcion-icono {
    display: inline-grid;
    place-items: center;
    flex: none;
    color: var(--corp-300);
}
.funcion-icono svg { width: 24px; height: 24px; }
.funcion p { margin: 0; color: oklch(0.8 0.03 240); font-size: 0.95rem; }

/* ============================== Búsqueda ============================== */

.busqueda-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.busqueda-desc { margin: 18px 0 22px; color: var(--tinta-suave); font-size: 1.05rem; }

.lista-check { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.lista-check li {
    position: relative;
    padding-left: 32px;
    color: var(--tinta-suave);
}
.lista-check li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--corp-600);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center / 14px no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center / 14px no-repeat;
}

/* Mock de búsqueda */
.busqueda-demo {
    padding: 22px;
    background: #fff;
    border: 1px solid var(--linea);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
}
.demo-barra {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--fondo-alt);
    border: 1px solid var(--linea);
    color: var(--tinta);
    font-size: 0.96rem;
}
.demo-barra svg { width: 18px; height: 18px; color: var(--corp-500); flex: none; }
.demo-resultado {
    margin-top: 14px;
    padding: 16px;
    border: 1px solid var(--linea);
    border-radius: 12px;
}
.demo-resultado-tenue { opacity: 0.55; }
.demo-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--corp-700);
    background: oklch(0.76 0.10 240 / 0.18);
}
.demo-fragmento { margin: 10px 0 0; font-size: 0.92rem; color: var(--tinta-suave); }
.demo-fragmento mark {
    background: oklch(0.76 0.10 240 / 0.4);
    color: var(--corp-900);
    border-radius: 3px;
    padding: 0 2px;
}
.demo-ruta { margin: 10px 0 0; font-size: 0.82rem; color: var(--tinta-tenue); }

/* ============================== CTA ============================== */

.cta {
    background: linear-gradient(135deg, var(--corp-700), var(--corp-900));
    color: #fff;
}
.cta-inner {
    padding: 80px 24px;
    text-align: center;
}
.cta h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; }
.cta p { margin: 14px auto 28px; max-width: 520px; color: oklch(0.92 0.02 240); font-size: 1.08rem; }

/* ============================== Responsive ============================== */

/* Divisores de la grilla: cada regímen de columnas vive en un rango de ancho
   excluyente, así las reglas nth-child no compiten entre breakpoints. */

/* Escritorio — 3 columnas (6 items → 2 filas) */
@media (min-width: 901px) {
    .funcion { border-right: 1px solid var(--linea-oscura); border-bottom: 1px solid var(--linea-oscura); }
    .funcion:nth-child(3n) { border-right: none; }
    .funcion:nth-child(3n+1) { padding-left: 0; }
    .funcion:nth-last-child(-n+3) { border-bottom: none; }
}

/* Tablet — 2 columnas (6 items → 3 filas) */
@media (min-width: 641px) and (max-width: 900px) {
    .grid-funciones { grid-template-columns: repeat(2, 1fr); }
    .funcion { border-right: 1px solid var(--linea-oscura); border-bottom: 1px solid var(--linea-oscura); }
    .funcion:nth-child(2n) { border-right: none; }
    .funcion:nth-child(2n+1) { padding-left: 0; }
    .funcion:nth-last-child(-n+2) { border-bottom: none; }
}

/* Búsqueda apilada en tablet y celular */
@media (max-width: 900px) {
    .busqueda-grid { grid-template-columns: 1fr; gap: 36px; }
}

/* Celular — 1 columna */
@media (max-width: 640px) {
    .nav-links { display: none; }
    /* sin los links visibles, empujamos "Acceder" al borde derecho */
    .nav .boton-primario { margin-left: auto; }
    .grid-funciones { grid-template-columns: 1fr; }
    .funcion { padding: 26px 0; border-bottom: 1px solid var(--linea-oscura); }
    .funcion:last-child { border-bottom: none; }
    .seccion { padding: 64px 0; }
    .hero-inner { padding: 72px 24px 64px; }
}