:root {
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #3385FF;
    --secondary: #6366F1;
    --dark: #0F172A;
    --dark-light: #1E293B;
    --gray: #64748B;
    --gray-light: #F1F5F9;
    --white: #FFFFFF;
    --success: #10B981;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #0066FF 0%, #6366F1 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

* {
    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;
    line-height: 1.7;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

.logo-icon {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 28px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 15px;
}

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

.nav-cta {
    background: var(--primary);
    color: white !important;
    padding: 10px 24px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #334155 100%);
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.3) 0%, transparent 50%);
}

.animated-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--secondary);
    top: 10%;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    bottom: 10%;
    right: -50px;
    animation-delay: 5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: #06B6D4;
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    33% {
        transform: translate(50px, -50px);
    }

    66% {
        transform: translate(-50px, 50px);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    text-align: center;
    color: var(--white);
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.gradient-text {
    background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 50%, #EC4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 80px;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.btn {
    padding: 16px 32px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-icon {
    transition: transform 0.3s ease;
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease 0.8s backwards;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Trusted By */
.trusted-by {
    padding: 60px 24px;
    background: var(--white);
    border-bottom: 1px solid var(--gray-light);
}

.trusted-title {
    text-align: center;
    color: var(--gray);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 32px;
    font-weight: 600;
}

.logos-slider {
    display: flex;
    gap: 64px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.logo-item {
    color: var(--gray);
    font-weight: 600;
    font-size: 16px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.logo-item:hover {
    opacity: 1;
}

/* Section Styling */
.section {
    padding: 100px 24px;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 64px;
}

.section-label {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray);
    line-height: 1.7;
}

/* Services Grid */
.services-section {
    background: var(--gray-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
}

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

.service-card.premium {
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.02) 0%, rgba(99, 102, 241, 0.02) 100%);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}

.service-icon {
    font-size: 48px;
    line-height: 1;
}

.badge {
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.service-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.service-card p {
    color: var(--gray);
    margin-bottom: 24px;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
    margin-bottom: 24px;
    flex-grow: 1;
}

.feature-list li {
    padding: 8px 0;
    color: var(--dark);
    position: relative;
    padding-left: 24px;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.card-footer {
    padding-top: 24px;
    border-top: 1px solid var(--gray-light);
}

.card-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: gap 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.card-link:hover {
    gap: 8px;
}

/* Industries */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.industry-card {
    background: var(--white);
    padding: 32px;
    border-radius: 12px;
    border: 2px solid var(--gray-light);
    transition: all 0.3s ease;
    text-align: center;
}

.industry-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.industry-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.industry-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.industry-card p {
    color: var(--gray);
    font-size: 14px;
}

/* Case Studies */
.case-studies {
    background: var(--dark);
    color: var(--white);
}

.case-studies .section-title {
    color: var(--white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.case-card {
    background: var(--dark-light);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.case-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.case-metric {
    margin-bottom: 24px;
}

.metric-value {
    font-size: 56px;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.metric-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.case-card h4 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.case-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 20px;
}

.case-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Contact Section */
.contact-section {
    background: var(--gray-light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.contact-info h2 {
    font-size: 42px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

.contact-description {
    font-size: 18px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 40px;
}

.contact-features {
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.feature-icon {
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: bold;
}

.feature-text strong {
    display: block;
    color: var(--dark);
    margin-bottom: 4px;
}

.feature-text p {
    color: var(--gray);
    font-size: 14px;
}

.contact-methods {
    display: grid;
    gap: 24px;
}

.method strong {
    display: block;
    color: var(--dark);
    font-weight: 600;
    margin-bottom: 4px;
}

.method p {
    color: var(--gray);
}

.contact-form-wrapper {
    background: var(--white);
    padding: 48px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group label {
    display: block;
    color: var(--dark);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-light);
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

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

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-weight: 400;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.btn-full {
    width: 100%;
    justify-content: center;
    padding: 18px;
    font-size: 16px;
    background: var(--primary);
    color: white;
    position: relative;
}

.btn-full:hover {
    background: var(--primary-dark);
}

.btn-loader {
    display: flex;
    align-items: center;
    gap: 12px;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 24px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s ease;
    color: white;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: 40px;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .section-title {
        font-size: 32px;
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form-wrapper {
        padding: 32px 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

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

/* Sección General */
.projects-section {
    padding: 4rem 2rem;
    background-color: #f8f9fa;
    /* Un gris muy suave de fondo */
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 0.5rem;
}

/* Tarjeta del Proyecto */
.project-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    padding: 2rem;
    border: 1px solid #eee;
}

.project-text {
    margin-bottom: 2rem;
    text-align: center;
}

.project-text h3 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.project-text p {
    color: #666;
    max-width: 800px;
    margin: 0 auto 1.5rem auto;
    line-height: 1.6;
}

/* Etiquetas de Tecnología */
.tech-stack {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.tech-tag {
    background-color: #eef2ff;
    color: #4f46e5;
    /* Color azul moderno */
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Galería de Imágenes (Grid) */
.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    background-color: #000;
    /* Fondo oscuro por si la imagen tarda en cargar */
}

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

.gallery-item img {
    width: 100%;
    height: 250px;
    /* Altura fija para uniformidad */
    object-fit: cover;
    /* Recorta la imagen para llenar el espacio sin deformar */
    object-position: top center;
    /* Enfoca la parte superior de tus interfaces */
    display: block;
    opacity: 0.95;
    transition: opacity 0.3s;
}

.gallery-item:hover img {
    opacity: 1;
}

/* Pie de foto pequeño sobre la imagen */
.img-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px;
    text-align: center;
    font-size: 0.85rem;
    backdrop-filter: blur(4px);
}

/* Responsivo para móviles */
@media (max-width: 768px) {
    .project-gallery {
        grid-template-columns: 1fr;
        /* Una columna en móviles */
    }

    .gallery-item img {
        height: auto;
        /* Altura automática para ver la imagen completa en móvil */
    }
}