/* VARIABLES DE COLOR (Basadas en el Logo) */
:root {
    --primary-blue: #00A2E8;    /* El azul brillante del logo */
    --dark-blue: #0A192F;       /* Azul marino oscuro para textos y contraste serio */
    --light-bg: #F4F9FC;        /* Fondo gris/azul extremadamente claro para secciones */
    --white: #FFFFFF;
    --text-color: #333333;
    --transition: all 0.3s ease;
}

/* ESTILOS GENERALES */
* {
    margin: 0;
    padding: 0;
    box-box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 0;
}

/* BOTONES */
.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #0086c2;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--dark-blue);
    padding: 12px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    border: 2px solid var(--dark-blue);
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: var(--dark-blue);
    color: var(--white);
}

/* BARRA DE NAVEGACIÓN */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-blue);
}

.logo-sub {
    color: var(--primary-blue);
    font-size: 16px;
    letter-spacing: 4px;
    margin-left: 5px;
}

nav ul {
    display: flex;
    list-style: none;
    align-items: center;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: var(--dark-blue);
    font-weight: 600;
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--primary-blue);
}

.btn-nav {
    background-color: var(--primary-blue);
    color: var(--white) !important;
    padding: 8px 20px;
    border-radius: 20px;
}

/* SECCIÓN HERO */
.hero {
    background: linear-gradient(135deg, var(--white) 60%, var(--light-bg) 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 48px;
    color: var(--dark-blue);
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-text .highlight {
    color: var(--primary-blue);
}

.hero-text p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #555;
}

.hero-buttons * {
    margin-right: 15px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

/* Simulación visual de la pulsera */
.pulsera-mockup {
    width: 300px;
    height: 300px;
    background-color: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--white);
    box-shadow: 0 15px 30px rgba(0, 162, 232, 0.3);
    position: relative;
}

.qr-preview {
    width: 150px;
    height: 150px;
    background-color: var(--white);
    color: var(--dark-blue);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    border-radius: 10px;
    margin-bottom: 15px;
}

/* SECCIÓN FUNCIONES */
.section-title {
    text-align: center;
    font-size: 36px;
    color: var(--dark-blue);
    margin-bottom: 5px;
}

.features {
    background-color: var(--light-bg);
}

.features-grid {
    display: flex;
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.02);
    text-align: center;
    flex: 1;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 162, 232, 0.1);
}

.feature-card .icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.feature-card h3 {
    color: var(--dark-blue);
    margin-bottom: 15px;
}

/* SECCIÓN CÓMO FUNCIONA */
.steps-grid {
    display: flex;
    gap: 40px;
    margin-top: 5px;
}

.step {
    text-align: center;
    flex: 1;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-blue);
    color: var(--white);
    font-size: 24px;
    font-weight: 700;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    margin: 0 auto 20px auto;
}

.step h3 {
    color: var(--dark-blue);
    margin-bottom: 10px;
}

/* SECCIÓN SEGURIDAD */
.security {
    background-color: var(--dark-blue);
    color: var(--white);
    text-align: center;
}

.security-box {
    max-width: 800px;
}

.security-box h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.security-box p {
    color: #a0aec0;
    font-size: 18px;
}

/* SECCIÓN CONTACTO / VENTAS */
.contact-grid {
    display: flex;
    align-items: center;
    gap: 50px;
}

.contact-grid div {
    flex: 1;
}

.contact-grid h2 {
    font-size: 36px;
    color: var(--dark-blue);
    margin-bottom: 20px;
}

.contact-form {
    flex: 1;
    background-color: var(--light-bg);
    padding: 40px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input, .contact-form select {
    padding: 15px;
    border: 1px solid #cbd5e0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 16px;
}

.contact-form input:focus, .contact-form select:focus {
    outline: none;
    border-color: var(--primary-blue);
}

/* FOOTER */
footer {
    background-color: #071120;
    color: #718096;
    border-top: 1px solid #1a202c;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    padding: 30px 0;
    font-size: 14px;
}

/* RESPONSIVE (Para celulares) */
/*@media (max-width: 768px) {
    .hero-grid, .features-grid, .steps-grid, .contact-grid {
        flex-direction: column;
        text-align: center;
    }
    nav ul {
        display: none; /* Simplificado para móviles */
/*    }
    .hero-text h1 {
        font-size: 32px;
    }
    .hero-buttons * {
        margin: 5px;
    }
}*/



/* RESPONSIVE (Para celulares y pantallas medianas) */
@media (max-width: 768px) {
    .hero-grid, .features-grid, .steps-grid, .contact-grid {
        flex-direction: column;
        text-align: center;
    }
    .hero-text h1 {
        font-size: 32px;
    }
    .hero-buttons * {
        margin: 5px;
    }

    /* ESTILOS DE LA HAMBURGUESA */
    .menu-toggle {
        display: block;
        cursor: pointer;
    }

    .menu-toggle .bar {
        display: block;
        width: 25px;
        height: 3px;
        margin: 5px auto;
        transition: all 0.3s ease-in-out;
        background-color: var(--dark-blue); /* Las líneas toman el azul oscuro de tu marca */
    }

    /* Transformación visual al abrir (Animación de equis "X") */
    .menu-toggle.is-active .bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.is-active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background-color: var(--primary-blue);
    }
    .menu-toggle.is-active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
        background-color: var(--primary-blue);
    }

    /* MENÚ DESPLEGABLE MÓVIL */
    .nav-menu {
        position: absolute;
        top: 90px; /* Se despliega justo abajo de la barra */
        left: -100%; /* Empieza oculto a la izquierda */
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    /* Cuando el menú esté activo se desliza a la pantalla */
    .nav-menu.active {
        left: 0;
    }

    nav ul {
        display: flex;
        flex-direction: column;
        width: 100%;
    }

    nav ul li {
        margin: 15px 0;
    }

    .btn-nav {
        display: inline-block;
        width: 80%;
    }
}

/* Ocultar botón de hamburguesa en pantallas de computadoras */
@media (min-width: 769px) {
    .menu-toggle {
        display: none;
    }
}