/* ============================
   Sacabocados WAN
   Estilos principales
   ============================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colores */
    --azul-primario: #2E3192;
    --azul-oscuro: #1B1D5C;
    --azul-claro: #EAEAF8;
    --negro: #1A1A1A;
    --gris-oscuro: #333333;
    --gris-medio: #666666;
    --gris-claro: #F5F5F5;
    --gris-borde: #E0E0E0;
    --blanco: #FFFFFF;

    /* Tipografía */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Espaciados */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;

    /* Otros */
    --border-radius: 8px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.12);
    --transition: 0.3s ease;
    --header-height: 115px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--negro);
    background-color: var(--blanco);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--azul-primario);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--azul-oscuro);
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--negro);
    line-height: 1.2;
}

h1 { font-size: 2rem; font-weight: 800; }
h2 { font-size: 1.75rem; font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--gris-oscuro);
}

/* --- Utilities --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-md) 0 var(--spacing-xl);
}

.section--alt {
    background-color: var(--gris-claro);
}

.section--blue {
    background-color: var(--azul-claro);
}

.section__title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--negro);
}

.section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--azul-primario);
    margin: var(--spacing-sm) auto 0;
    border-radius: 2px;
}

.text-center {
    text-align: center;
}

/* --- Botones --- */
.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

.btn--primary {
    background-color: var(--azul-primario);
    color: var(--blanco);
    border-color: var(--azul-primario);
}

.btn--primary:hover {
    background-color: var(--azul-oscuro);
    border-color: var(--azul-oscuro);
    color: var(--blanco);
}

.btn--outline {
    background-color: transparent;
    color: var(--azul-primario);
    border-color: var(--azul-primario);
}

.btn--outline:hover {
    background-color: var(--azul-primario);
    color: var(--blanco);
}

.btn--white {
    background-color: var(--blanco);
    color: var(--azul-primario);
    border-color: var(--blanco);
}

.btn--white:hover {
    background-color: transparent;
    color: var(--blanco);
    border-color: var(--blanco);
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--blanco);
    box-shadow: var(--shadow);
    z-index: 1000;
    border-bottom: 2px solid var(--negro);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo img {
    height: 95px;
    width: auto;
}

.header__nav {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 80%;
    height: calc(100vh - var(--header-height));
    background-color: var(--blanco);
    box-shadow: var(--shadow);
    transition: left var(--transition);
    z-index: 999;
}

.header__nav.active {
    left: 0;
}

.header__menu {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
}

.header__link {
    display: block;
    padding: var(--spacing-sm) 0;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--negro);
    border-bottom: 1px solid var(--gris-borde);
}

.header__link:hover,
.header__link--active {
    color: var(--azul-primario);
}

.header__hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.header__hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--negro);
    border-radius: 2px;
    transition: all var(--transition);
}

.header__hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.header__hamburger.active span:nth-child(2) {
    opacity: 0;
}

.header__hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blanco);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-sm);
    margin-top: var(--header-height);
    overflow: hidden;
}

.hero__slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero__slide.active {
    opacity: 1;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(27,29,92,0.90) 0%, rgba(46,49,146,0.85) 100%);
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero__title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--blanco);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero__subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero__cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

/* --- Cards (Servicios destacados) --- */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.card {
    background-color: var(--blanco);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.card__icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    color: var(--azul-primario);
}

.card__icon svg {
    width: 100%;
    height: 100%;
}

.card__title {
    margin-bottom: var(--spacing-xs);
    color: var(--negro);
}

.card__text {
    font-size: 0.95rem;
    color: var(--gris-medio);
}

/* --- Ventajas / Features --- */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.feature__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background-color: var(--azul-claro);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--azul-primario);
}

.feature__icon svg {
    width: 20px;
    height: 20px;
}

.feature__text h4 {
    margin-bottom: 0.25rem;
}

.feature__text p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* --- CTA Section --- */
.cta-section {
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-primario) 100%);
    color: var(--blanco);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-sm);
}

.cta-section h2 {
    color: var(--blanco);
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

/* --- Page Banner --- */
.page-banner {
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-primario) 100%);
    color: var(--blanco);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-sm);
    margin-top: var(--header-height);
}

.page-banner h1 {
    color: var(--blanco);
    margin-bottom: var(--spacing-xs);
}

.page-banner p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
}

/* --- Nosotros --- */
.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: stretch;
}

.about-content__text p {
    margin-bottom: var(--spacing-sm);
}

.about-content__image {
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: var(--gris-claro);
    position: relative;
    min-height: 250px;
}

.about-content__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
    position: absolute;
    top: 0;
    left: 0;
}

.valores-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.valor {
    text-align: center;
    padding: var(--spacing-md);
}

.valor__icon {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--spacing-sm);
    color: var(--azul-primario);
}

.valor__icon svg {
    width: 100%;
    height: 100%;
}

/* --- Servicios --- */
.servicio-principal {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: stretch;
}

.proceso-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    counter-reset: step;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--blanco);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.step__number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background-color: var(--azul-primario);
    color: var(--blanco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
}

.step__content h4 {
    margin-bottom: 0.25rem;
}

.step__content p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.aplicaciones-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.aplicacion {
    background-color: var(--blanco);
    border: 1px solid var(--gris-borde);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    transition: border-color var(--transition);
}

.aplicacion:hover {
    border-color: var(--azul-primario);
}

.aplicacion__icon {
    margin-bottom: var(--spacing-xs);
    color: var(--azul-primario);
    display: flex;
    justify-content: center;
}

.aplicacion p {
    font-size: 0.9rem;
    margin-bottom: 0;
    font-weight: 600;
}

/* --- Contacto --- */
.contacto-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.contacto-form {
    background-color: var(--blanco);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--negro);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gris-borde);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--azul-primario);
    box-shadow: 0 0 0 3px rgba(46, 49, 146, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contacto-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contacto-info__datos {
    background-color: var(--gris-claro);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.contacto-info__datos h3 {
    margin-bottom: var(--spacing-sm);
}

.contacto-info__datos li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    color: var(--gris-oscuro);
}

.contacto-info__datos li svg {
    flex-shrink: 0;
    color: var(--azul-primario);
}

.contacto-info__mapa {
    border-radius: var(--border-radius);
    overflow: hidden;
    min-height: 300px;
}

.contacto-info__mapa iframe {
    width: 100%;
    height: 300px;
    border: 0;
}

/* --- Mensajes del formulario --- */
.form-mensaje {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.form-mensaje p {
    margin-bottom: 0;
}

.form-mensaje--exito {
    background-color: #e8f5e9;
    border: 1px solid #4caf50;
    color: #2e7d32;
}

.form-mensaje--error {
    background-color: #fbe9e7;
    border: 1px solid #e53935;
    color: #c62828;
}

/* --- Footer --- */
.footer {
    background-color: var(--negro);
    color: var(--blanco);
    padding-top: var(--spacing-xl);
}

.footer__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.footer__logo {
    height: 70px;
    width: auto;
    margin-bottom: var(--spacing-sm);
    filter: brightness(0) invert(1);
}

.footer__tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer h4 {
    color: var(--blanco);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.footer__contacto ul li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer__contacto ul li .icon {
    flex-shrink: 0;
    color: var(--azul-primario);
}

.footer__contacto a {
    color: rgba(255, 255, 255, 0.7);
}

.footer__contacto a:hover {
    color: var(--blanco);
}

.footer__nav ul li {
    margin-bottom: var(--spacing-xs);
}

.footer__nav a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer__nav a:hover {
    color: var(--blanco);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) 0;
    text-align: center;
}

.footer__bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0;
}


/* --- Scroll Reveal Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Scroll to Top Button --- */
.scroll-top-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--azul-primario);
    color: var(--blanco);
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 999;
}

.scroll-top-btn--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-btn:hover {
    background-color: var(--azul-oscuro);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* --- Hover effects mejorados --- */
.aplicacion {
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.aplicacion:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.step {
    transition: transform var(--transition), box-shadow var(--transition);
}

.step:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.valor {
    transition: transform var(--transition);
}

.valor:hover {
    transform: translateY(-5px);
}

.feature {
    transition: transform var(--transition);
}

.feature:hover {
    transform: translateX(5px);
}