/*
================================================
  3C STUDIO - Stylesheet
  Version: 1.0
  Author: 3C STUDIO
================================================
*/

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
    /* Colores Primarios */
    --color-dark: #1a1a1a;
    --color-dark-2: #2d2d2d;
    --color-dark-3: #3a3a3a;
    --color-white: #ffffff;
    --color-light-gray: #f5f5f5;
    --color-gray: #9ca3af;

    /* Colores de Acento - Gradiente Púrpura/Magenta */
    --color-purple: #8b5cf6;
    --color-magenta: #ec4899;
    --color-accent: #a855f7;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--color-purple) 0%, var(--color-magenta) 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(139, 92, 246, 0.9) 0%, rgba(236, 72, 153, 0.9) 100%);

    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Tamaños de Fuente */
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */
    --font-size-5xl: 3rem;        /* 48px */
    --font-size-6xl: 3.75rem;     /* 60px */

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Bordes */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Transiciones */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;

    /* Ancho Máximo del Contenedor */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
}

/* ============================================
   RESET Y BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================
   UTILIDADES
   ============================================ */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   NAVEGACIÓN
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
    padding: 0.75rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-white);
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.logo-text {
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--color-white);
    font-weight: 500;
    font-size: var(--font-size-sm);
    position: relative;
    transition: all var(--transition-base);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.btn-primary-nav {
    background: var(--gradient-primary);
    padding: 0.5rem 1.25rem;
    border-radius: var(--border-radius-md);
    color: var(--color-white);
}

.nav-link.btn-primary-nav::after {
    display: none;
}

.nav-link.btn-primary-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--color-dark);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.2) 0%, transparent 50%),
        var(--color-dark);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-3xl) 0;
}

.hero-text {
    max-width: 800px;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-subtitle strong {
    color: var(--color-white);
    font-weight: 600;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

.feature-icon {
    width: 20px;
    height: 20px;
    color: var(--color-magenta);
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

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

.btn-large {
    padding: 1.25rem 3rem;
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

/* ============================================
   SECCIONES
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   SERVICIOS SECTION
   ============================================ */
.servicios {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-light-gray);
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.servicio-card {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.servicio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-purple);
}

.servicio-card.featured {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.servicio-card.featured .card-title,
.servicio-card.featured .card-list li {
    color: var(--color-white);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
}

.card-icon svg {
    width: 100%;
    height: 100%;
    color: var(--color-purple);
}

.servicio-card.featured .card-icon svg {
    color: var(--color-white);
}

.card-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.card-list {
    margin-bottom: 1.5rem;
}

.card-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-dark-2);
}

.card-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-magenta);
    font-weight: bold;
}

.servicio-card.featured .card-list li::before {
    color: var(--color-white);
}

.card-link {
    color: var(--color-purple);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-base);
}

.servicio-card.featured .card-link {
    color: var(--color-white);
}

.card-link:hover {
    gap: 1rem;
}

/* ============================================
   NOSOTROS SECTION
   ============================================ */
.nosotros {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.nosotros-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.nosotros-subtitle {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}

.nosotros-text {
    font-size: var(--font-size-lg);
    color: var(--color-dark-2);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.nosotros-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

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

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    font-weight: 500;
}

.nosotros-image {
    position: relative;
}

.image-placeholder {
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.image-placeholder::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.image-placeholder:hover::after {
    opacity: 0.3;
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   CLIENTES SECTION
   ============================================ */
.clientes {
    padding: var(--spacing-2xl) 0;
    background: var(--color-white);
}

.clientes-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.clientes-title {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.clientes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.cliente-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    transition: all var(--transition-base);
}

.cliente-logo img {
    max-width: 180px;
    max-height: 80px;
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%) brightness(0.95) contrast(0.9);
    opacity: 0.6;
    transition: all var(--transition-base);
}

.cliente-logo:hover img {
    filter: grayscale(0%) brightness(1) contrast(1);
    opacity: 1;
    transform: scale(1.05);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-primary);
    color: var(--color-white);
}

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

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: var(--font-size-xl);
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-section .btn-primary {
    background: var(--color-white);
    color: var(--color-purple);
}

.cta-section .btn-primary:hover {
    background: var(--color-light-gray);
}

/* ============================================
   CONTACTO SECTION
   ============================================ */
.contacto {
    padding: var(--spacing-3xl) 0;
    background: var(--color-light-gray);
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.contacto-info {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    height: fit-content;
}

.info-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--color-dark);
}

.info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

.info-content {
    flex: 1;
}

.info-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.info-value {
    font-size: var(--font-size-base);
    color: var(--color-dark);
    font-weight: 600;
    display: block;
    margin-bottom: 0.25rem;
}

.info-value:hover {
    color: var(--color-purple);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-light-gray);
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

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

.social-link svg {
    width: 20px;
    height: 20px;
    color: var(--color-white);
}

/* ============================================
   FORMULARIO
   ============================================ */
.contacto-form {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.form-input {
    padding: 0.875rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: all var(--transition-base);
    background: var(--color-white);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-purple);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

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

select.form-input {
    cursor: pointer;
}

.form-message {
    padding: 1rem;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: center;
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.footer-logo-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
}

.footer-tagline {
    font-size: var(--font-size-lg);
    font-weight: 300;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    color: var(--color-gray);
    line-height: 1.6;
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--color-gray);
    transition: all var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-white);
    padding-left: 0.5rem;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-gray);
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    color: var(--color-magenta);
    flex-shrink: 0;
}

.footer-contact a {
    color: var(--color-gray);
    transition: all var(--transition-base);
}

.footer-contact a:hover {
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-dark-3);
}

.footer-copyright {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: var(--color-dark-3);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    transform: translateY(-4px);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    color: var(--color-white);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    :root {
        --font-size-6xl: 3rem;
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }

    .nosotros-grid {
        gap: 2rem;
    }

    .nosotros-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

/* Mobile (hasta 768px) */
@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-3xl: 3rem;
        --container-padding: 1rem;
    }

    /* Navegación Mobile */
    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-dark);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateX(100%);
        transition: transform var(--transition-base);
        box-shadow: var(--shadow-xl);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link.btn-primary-nav {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    /* Hero */
    .hero {
        min-height: auto;
    }

    .hero-content {
        padding: 4rem 0 3rem;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }

    /* Servicios */
    .servicios-grid {
        grid-template-columns: 1fr;
    }

    /* Nosotros */
    .nosotros-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .nosotros-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* Clientes */
    .clientes-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cliente-logo img {
        max-width: 150px;
    }

    /* Contacto */
    .contacto-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .form-row {
        flex-direction: column;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    /* CTA */
    .cta-title {
        font-size: var(--font-size-3xl);
    }

    .cta-text {
        font-size: var(--font-size-base);
    }
}

/* Small Mobile (hasta 480px) */
@media (max-width: 480px) {
    :root {
        --font-size-6xl: 2rem;
        --font-size-4xl: 1.5rem;
    }

    .logo-text {
        font-size: var(--font-size-base);
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: var(--font-size-sm);
    }

    .btn-large {
        padding: 1rem 2rem;
        font-size: var(--font-size-base);
    }

    .servicio-card,
    .contacto-info,
    .contacto-form {
        padding: 1.5rem;
    }
}

/* ============================================
   ANIMACIONES Y EFECTOS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Aplicar animación a elementos cuando están visibles */
.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

/* ============================================
   ACCESIBILIDAD
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible para navegación por teclado */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--color-purple);
    outline-offset: 2px;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .navbar,
    .mobile-menu-toggle,
    .hero-cta,
    .cta-section,
    .contacto-form,
    .footer-social {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }

    a {
        text-decoration: underline;
    }
}