/* ================================
   TOKENS DE DISEÑO
   Única fuente de verdad para color, ritmo y profundidad. Cualquier valor que
   se repita en más de una regla debería vivir aquí.
   ================================ */
:root {
    /* Gradientes principales */
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);

    /* Los degradados de titular se aclararon respecto del violeta original
       (#764ba2): sobre el fondo oscuro no llegaba al 3:1 que exige WCAG para
       texto grande. Estos tonos superan el 6:1 en todas sus paradas. */
    --title-gradient: linear-gradient(135deg, #818cf8 0%, #a78bfa 50%, #f0abfc 100%);
    --heading-gradient: linear-gradient(135deg, #818cf8 0%, #c4b5fd 100%);

    /* Colores base */
    --dark-bg: #0a0e27;
    --dark-secondary: #1a1f3a;
    --card-bg: rgb(255 255 255 / 5%);
    --card-hover: rgb(255 255 255 / 8%);
    --border-color: rgb(255 255 255 / 10%);

    /* Colores de texto */
    --text-primary: #fff;
    --text-secondary: #b4b9d2;

    /* Colores de acento */
    --accent-color: #00f2fe;
    --accent-purple: #764ba2;
    --accent-rgb: 76, 172, 254;
    --success-color: #4ade80;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;

    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Sombras */
    --shadow-md: 0 4px 20px rgb(0 0 0 / 20%);
    --shadow-lg: 0 10px 40px rgb(0 0 0 / 30%);
    --shadow-xl: 0 20px 60px rgb(0 0 0 / 40%);

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 15px;
    --radius-lg: 20px;
    --radius-full: 50px;

    /* Layout */
    --content-width: 1400px;
    --nav-height: 76px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

::selection {
    background: var(--accent-color);
    color: var(--dark-bg);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-purple);
}

/* El ancla del menú debe quedar bajo la barra fija, no detrás de ella. */
section[id] {
    scroll-margin-top: calc(var(--nav-height) + var(--spacing-sm));
}

/* ================================
   ACCESIBILIDAD
   ================================ */
:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

.skip-link {
    position: absolute;
    top: var(--spacing-xs);
    left: var(--spacing-xs);
    z-index: 1100;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--accent-color);
    color: var(--dark-bg);
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transform: translateY(-200%);
    transition: transform var(--transition-fast);
}

.skip-link:focus {
    transform: translateY(0);
}

/* ================================
   FONDO ANIMADO
   ================================ */
.bg-animation {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: var(--dark-gradient);
    overflow: hidden;
}

.bg-animation::before,
.bg-animation::after {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
}

.bg-animation::before {
    top: -50%;
    left: -50%;
    background: radial-gradient(circle, rgba(var(--accent-rgb), 0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

.bg-animation::after {
    bottom: -50%;
    right: -50%;
    background: radial-gradient(circle, rgb(118 75 162 / 10%) 0%, transparent 70%);
    animation: rotate 40s linear infinite reverse;
}

/* ================================
   NAVEGACIÓN
   ================================ */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: var(--spacing-sm) 5%;
    background: rgb(10 14 39 / 95%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    transition: transform var(--transition-normal), background-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

nav.is-scrolled {
    background: rgb(10 14 39 / 98%);
    box-shadow: var(--shadow-lg);
}

/* La barra se retira al bajar y vuelve al subir: lo aplica CSS, JS solo marca
   el estado. */
nav.is-hidden {
    transform: translateY(-100%);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    transition: transform var(--transition-normal);
}

.logo:hover {
    transform: scale(1.03);
}

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

.logo-img {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-normal);
    position: relative;
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.is-active {
    color: var(--accent-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-normal);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
    width: 100%;
}

/* Botón de menú (móvil) */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-xs);
    background: none;
    border: 0;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--accent-color);
    border-radius: 2px;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

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

.menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ================================
   HERO
   ================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) 5%;
    margin-top: var(--nav-height);
}

.hero-content {
    max-width: var(--content-width);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    background: var(--title-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fade-in-up 0.8s ease;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    animation: fade-in-up 0.8s ease 0.2s backwards;
}

.hero-text > p:not(.hero-subtitle) {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    animation: fade-in-up 0.8s ease 0.4s backwards;
}

.hero-visual {
    animation: float 3s ease-in-out infinite;
}

.code-block {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-normal);
}

.code-block:hover {
    transform: scale(1.02);
}

.code-header {
    background: rgb(255 255 255 / 3%);
    padding: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27c93f; }

.code-content {
    padding: var(--spacing-lg);
    font-family: 'Courier New', monospace;
    color: var(--accent-color);
    font-size: 0.95rem;
    overflow-x: auto;
}

/* ================================
   BOTONES
   ================================ */
.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    animation: fade-in-up 0.8s ease 0.6s backwards;
}

.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal),
        background-color var(--transition-normal), color var(--transition-normal);
}

.btn-icon {
    font-size: 1.2rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.3);

    /* Tres latidos tras la carga para señalar la acción principal; después el
       botón se queda quieto en lugar de pulsar indefinidamente. */
    animation: pulse 2.4s ease-in-out 2s 3;
}

.btn-primary:hover,
.btn-primary:focus-visible {
    animation: none;
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(var(--accent-rgb), 0.5);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgb(255 255 255 / 30%);
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-secondary:hover {
    background: var(--accent-color);
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgb(0 242 254 / 30%);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

/* ================================
   ESTRUCTURA DE SECCIÓN
   ================================ */
.services,
.process,
.why-choose {
    padding: var(--spacing-2xl) 5%;
    max-width: var(--content-width);
    margin: 0 auto;
}

.tech-stack,
.projects,
.contact {
    padding: var(--spacing-2xl) 5%;
    background: rgb(255 255 255 / 2%);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title h1,
.section-title h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-sm);
    background: var(--heading-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Los emoji no heredan el recorte del degradado: recuperan su color propio. */
.section-emoji {
    -webkit-text-fill-color: initial;
}

.section-title p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ================================
   SUPERFICIES DE TARJETA
   Base compartida por todas las tarjetas del sitio. Las secciones solo
   redefinen lo que las distingue (relleno, radio, disposición).
   ================================ */
.service-card,
.tech-category,
.step-content,
.project-type,
.advantage-item,
.contact-item {
    --pointer-x: 50%;
    --pointer-y: 50%;

    position: relative;
    overflow: hidden;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal),
        background-color var(--transition-normal);
}

/* Resplandor que sigue al puntero. JS solo publica las coordenadas en
   --pointer-x/--pointer-y; el degradado y su visibilidad son cosa de CSS. */
.service-card::after,
.tech-category::after,
.step-content::after,
.project-type::after,
.advantage-item::after,
.contact-item::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
    background: radial-gradient(
        260px circle at var(--pointer-x) var(--pointer-y),
        rgba(var(--accent-rgb), 0.16),
        transparent 70%
    );
}

.service-card:hover::after,
.tech-category:hover::after,
.step-content:hover::after,
.project-type:hover::after,
.advantage-item:hover::after,
.contact-item:hover::after {
    opacity: 1;
}

/* ================================
   SERVICIOS
   ================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
    z-index: 1;
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

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

.service-card ul {
    list-style: none;
    color: var(--text-secondary);
}

.service-card ul li {
    padding: var(--spacing-xs) 0 var(--spacing-xs) var(--spacing-md);
    position: relative;
}

.service-card ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* ================================
   STACK TECNOLÓGICO
   ================================ */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    max-width: var(--content-width);
    margin: 0 auto;
}

.tech-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.tech-category h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-color);
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    list-style: none;
    position: relative;
    z-index: 1;
}

.tech-item {
    background: rgba(var(--accent-rgb), 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    border: 1px solid rgba(var(--accent-rgb), 0.3);
    transition: transform var(--transition-normal), opacity var(--transition-normal),
        background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.tech-item:hover {
    background: rgba(var(--accent-rgb), 0.2);
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 5px 15px rgba(var(--accent-rgb), 0.3);
}

/* Al señalar una tecnología, las hermanas retroceden. Antes lo hacía JS
   escribiendo estilos en línea; el selector :not(:hover) basta. */
.tech-items:hover .tech-item:not(:hover) {
    transform: scale(0.95);
    opacity: 0.7;
}

/* ================================
   PROCESO
   ================================ */
.process-timeline {
    position: relative;
    padding: var(--spacing-lg) 0;
    list-style: none;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 60px;
    bottom: 60px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-color), transparent);
}

.process-step {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 30px rgba(var(--accent-rgb), 0.5);
}

.step-content {
    margin-left: var(--spacing-lg);
    flex: 1;
}

.step-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    color: var(--text-secondary);
}

/* ================================
   TIPOS DE PROYECTO
   ================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.project-type {
    padding: var(--spacing-lg);
    text-align: center;
}

.project-type:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.project-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.project-type h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
}

.project-type p {
    color: var(--text-secondary);
}

/* ================================
   VENTAJAS
   ================================ */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

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

.advantage-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.check-icon {
    font-size: 1.5rem;
    color: var(--success-color);
    line-height: 1.2;
}

.advantage-item h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.advantage-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ================================
   CONTACTO
   ================================ */
.contact-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.contact-item {
    padding: var(--spacing-lg);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

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

.contact-item a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    overflow-wrap: break-word;
    transition: color var(--transition-normal);
    position: relative;
    z-index: 1;
}

.contact-item a:hover {
    color: var(--text-primary);
}

.copy-btn {
    position: relative;
    z-index: 1;
    margin-top: var(--spacing-sm);
    padding: 0.35rem var(--spacing-sm);
    font: inherit;
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.copy-btn:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.copy-btn.is-copied {
    color: var(--success-color);
    border-color: var(--success-color);
}

.contact .cta-buttons {
    justify-content: center;
    animation: none;
}

/* ================================
   FOOTER
   ================================ */
footer {
    padding: var(--spacing-lg) 5%;
    border-top: 1px solid var(--border-color);
    background: rgb(10 14 39 / 50%);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: bold;
    color: var(--accent-color);
}

.footer-logo-img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
}

.footer-info {
    text-align: center;
    flex: 1;
}

.footer-info p {
    color: var(--text-secondary);
    margin: var(--spacing-xs) 0;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: transform var(--transition-normal), color var(--transition-normal),
        background var(--transition-normal), box-shadow var(--transition-normal);
}

.social-link:hover {
    background: var(--accent-gradient);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(var(--accent-rgb), 0.4);
}

/* ================================
   REVELADO AL ENTRAR EN PANTALLA
   La clase .reveal la añade JS, no el HTML: sin JavaScript el contenido queda
   visible en lugar de atrapado en opacidad cero.
   ================================ */
.reveal {
    opacity: 0;
}

.reveal.is-revealed {
    animation: fade-in-up 0.8s ease forwards;
}

/* ================================
   ANIMACIONES
   ================================ */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.04); }
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgb(10 14 39 / 98%);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-sm);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.is-open {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: var(--spacing-xl) 5%;
    }

    .hero-visual {
        display: none;
    }

    .cta-buttons {
        justify-content: center;
    }

    .services-grid,
    .tech-grid {
        grid-template-columns: 1fr;
    }

    .process-step {
        flex-direction: column;
        text-align: center;
    }

    .step-content {
        margin-left: 0;
        margin-top: var(--spacing-sm);
    }

    .step-content:hover {
        transform: none;
    }

    .process-timeline::before {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-2xl: 3rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

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

    .contact-info {
        grid-template-columns: 1fr;
    }
}

/* ================================
   MOVIMIENTO REDUCIDO
   Se respeta la preferencia del sistema: la información no depende del
   movimiento, así que se puede suprimir sin perder contenido.
   ================================ */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    /* El retardo negativo hace que la animación arranque ya terminada: sin él,
       lo que entra en escena de forma escalonada (`animation-fill-mode:
       backwards`) seguiría invisible durante su retardo. */
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-delay: -1ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        transition-delay: -1ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1;
    }
}