/* 
 * Estilos para el sitio web de Auditoría Financiera
 * Autor: Auditores Financieros España
 * Versión: 1.0
 */

/* Variables CSS */
:root {
    /* Colores principales */
    --color-primary: #17C3B2;
    --color-secondary: #6C3483;
    --color-background: #FCF8F3;
    --color-accent: #F5B041;
    --color-text: #2C3E50;
    
    /* Sombras */
    --shadow-small: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 8px 16px rgba(0, 0, 0, 0.1);
    
    /* Bordes */
    --border-radius-small: 4px;
    --border-radius-medium: 8px;
    --border-radius-large: 16px;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Fuentes */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    
    /* Tamaños de fuente */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Contenedor */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.3;
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-secondary);
}

ul {
    list-style-position: inside;
    margin-bottom: 1rem;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius-medium);
}

/* Contenedor */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Sección general */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--color-primary);
    border-radius: var(--border-radius-small);
}

/* Botones */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: var(--font-size-md);
    text-align: center;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
}

.btn--primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-small);
}

.btn--primary:hover {
    background-color: var(--color-secondary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

/* Header y navegación */
.header {
    padding: 1rem 0;
    background-color: white;
    box-shadow: var(--shadow-small);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    position: relative;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.logo a span {
    display: inline-block;
    margin-left: 0.5rem;
}

.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
    position: relative;
    z-index: 2;
    width: 30px;
    height: 30px;
    background-color: #f5f5f5;
    border-radius: 4px;
    padding: 5px;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    display: block;
    background: var(--color-text);
    height: 3px;
    width: 100%;
    position: absolute;
    left: 0;
    top: 50%;
    margin-top: -1px;
    transition: all var(--transition-normal);
}

.nav-toggle-label span::before,
.nav-toggle-label span::after {
    content: '';
    position: absolute;
}

.nav-toggle-label span::before {
    top: -8px;
    margin-top: 0;
}

.nav-toggle-label span::after {
    top: 8px;
    margin-top: 0;
}

.nav__list {
    display: flex;
    list-style: none;
    margin: 0;
}

.nav__item {
    margin: 0 1rem;
}

.nav__link {
    color: var(--color-text);
    font-family: var(--font-primary);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav__link:hover::after,
.nav__link:focus::after {
    width: 100%;
}

.nav__link--cta {
    color: white;
    background-color: var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-small);
}

.nav__link--cta:hover,
.nav__link--cta:focus {
    background-color: var(--color-secondary);
    color: white;
}

.nav__link--cta::after {
    display: none;
}

/* Hero section */
.hero {
    padding: var(--spacing-xl) 0;
    background-color: rgba(0, 0, 0, 0.5);
    position: relative;
    color: white;
    text-align: center;
    overflow: hidden;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero__content {
    width: 100%;
}

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

.hero__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 0;
}

.hero h1 {
    color: white;
    margin-bottom: var(--spacing-xs);
}

.hero h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: white;
}

.hero p {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero .btn {
    margin-top: var(--spacing-sm);
}

/* About section */
.about__content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.about__text {
    flex: 1;
}

.about__image {
    flex: 1;
}

/* Services section */
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-medium);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-large);
}

.service-card__icon {
    margin: 0 auto var(--spacing-sm);
    width: 64px;
    height: 64px;
}

.service-card h3 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Advantages section */
.advantages__content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.advantages__image {
    flex: 1;
}

.advantages__list {
    flex: 1;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-sm);
}

.advantage-item__icon {
    flex-shrink: 0;
}

.advantage-item h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-secondary);
}

/* Pricing section */
.pricing__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.pricing-card {
    background-color: white;
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-large);
}

.pricing-card--featured {
    transform: scale(1.05);
    border: 2px solid var(--color-primary);
    z-index: 1;
}

.pricing-card--featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-card__header {
    padding: var(--spacing-md);
    background-color: var(--color-primary);
    color: white;
    text-align: center;
}

.pricing-card--featured .pricing-card__header {
    background-color: var(--color-secondary);
}

.pricing-card__price {
    font-family: var(--font-primary);
    margin-top: var(--spacing-sm);
}

.pricing-card__price .currency {
    font-size: var(--font-size-xl);
    vertical-align: top;
    position: relative;
    top: 0.5rem;
}

.pricing-card__price .amount {
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.pricing-card__price .period {
    font-size: var(--font-size-md);
    color: rgba(255, 255, 255, 0.8);
}

.pricing-card__features {
    padding: var(--spacing-md);
}

.pricing-card__features ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pricing-card__features li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
    padding-left: 1.5rem;
}

.pricing-card__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.pricing-card__features li:last-child {
    border-bottom: none;
}

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

/* Contact section */
.contact__content {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.contact__image {
    flex: 1;
}

.contact__form {
    flex: 1;
    background-color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-medium);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-primary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-small);
    font-family: var(--font-secondary);
    font-size: var(--font-size-md);
    transition: border-color var(--transition-fast);
}

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

.checkbox-group {
    display: flex;
    align-items: flex-start;
}

.checkbox-group input {
    width: auto;
    margin-right: var(--spacing-xs);
    margin-top: 0.2rem;
}

.checkbox-group label {
    margin: 0;
    font-weight: 400;
}

.form-submit {
    margin-top: var(--spacing-md);
}

/* Footer */
.footer {
    background-color: var(--color-text);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer__logo {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.footer__logo span {
    margin-left: 0.5rem;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.footer__description {
    color: rgba(255, 255, 255, 0.8);
}

.footer h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.footer__contact p {
    margin-bottom: var(--spacing-xs);
}

.footer__links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer__links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-primary);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

/* Cookie consent popup */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-text);
    color: white;
    padding: var(--spacing-md);
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.cookie-consent__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max-width);
    margin: 0 auto;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.cookie-consent p {
    margin: 0;
    flex: 1;
}

.cookie-consent a {
    color: var(--color-primary);
    text-decoration: underline;
}

.cookie-consent a:hover {
    color: var(--color-accent);
}

/* Thanks page */
.thanks {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.thanks__content {
    max-width: 700px;
    margin: 0 auto;
}

.thanks svg {
    margin: 0 auto var(--spacing-md);
}

.thanks h1 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.thanks p {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.thanks .btn {
    margin-top: var(--spacing-md);
}

/* Legal pages */
.legal {
    padding: var(--spacing-xl) 0;
}

.legal h1 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-secondary);
}

.legal__content {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-medium);
    max-width: 900px;
    margin: 0 auto;
}

.legal__content h2 {
    color: var(--color-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal__content h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.legal__content ul {
    list-style-type: disc;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.legal__content address {
    font-style: normal;
    margin-top: var(--spacing-sm);
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.pricing-card,
.advantage-item {
    animation: fadeIn 0.5s ease-out forwards;
}

.service-card:nth-child(2),
.pricing-card:nth-child(2),
.advantage-item:nth-child(2) {
    animation-delay: 0.1s;
}

.service-card:nth-child(3),
.pricing-card:nth-child(3),
.advantage-item:nth-child(3) {
    animation-delay: 0.2s;
}

.service-card:nth-child(4),
.advantage-item:nth-child(4) {
    animation-delay: 0.3s;
}

/* Media queries */
@media (max-width: 992px) {
    .hero .container,
    .about__content,
    .advantages__content,
    .contact__content {
        flex-direction: column;
    }
    
    .hero__image,
    .about__image,
    .advantages__image,
    .contact__image {
        margin-top: var(--spacing-md);
        order: 2;
    }
    
    .advantages__list {
        order: 1;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    h1 {
        font-size: var(--font-size-2xl);
    }
    
    h2 {
        font-size: var(--font-size-xl);
    }
    
    .header__content {
        position: relative;
    }
    
    .nav-toggle-label {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-left: auto;
        margin-right: 10px;
    }
    
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        height: 0;
        overflow: hidden;
        transition: height var(--transition-normal);
        box-shadow: var(--shadow-medium);
        z-index: 100;
    }
    
    .nav__list {
        flex-direction: column;
        padding: 0;
        margin: 0;
    }
    
    .nav__item {
        margin: 0;
        text-align: center;
    }
    
    .nav__link {
        display: block;
        padding: 1rem;
    }
    
    .nav__link::after {
        display: none;
    }
    
    .nav__link--cta {
        margin: var(--spacing-sm);
    }
    
    .nav-toggle:checked ~ .nav {
        height: auto;
        padding: var(--spacing-sm) 0;
    }
    
    .nav-toggle:checked ~ .nav-toggle-label span {
        background: transparent;
    }
    
    .nav-toggle:checked ~ .nav-toggle-label span::before {
        transform: rotate(45deg);
        top: 0;
    }
    
    .nav-toggle:checked ~ .nav-toggle-label span::after {
        transform: rotate(-45deg);
        top: 0;
    }
    
    .pricing__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .pricing-card--featured {
        transform: scale(1);
    }
    
    .pricing-card--featured:hover {
        transform: translateY(-10px);
    }
    
    .cookie-consent__content {
        flex-direction: column;
        text-align: center;
    }
    
    .nav--active {
        height: auto !important;
        padding: var(--spacing-sm) 0;
    }
}