/**
 * InnoScale - Estilos CSS
 * Diseño profesional y responsive
 */

/* Reset y Variables CSS */
:root {
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-white: #ffffff;
    --bg-gray: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

/* Ajuste para navegación con header fijo */
section {
    scroll-margin-top: 80px;
}

/* Ajuste para navegación con header fijo */
section {
    scroll-margin-top: 80px;
}

/* Utilidades */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-full {
    width: 100%;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    display: inline-block;
    /* Fallback para navegadores que no soporten background-clip */
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 12px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo {
    font-size: 32px;
}

.logo-img {
    height: 80px;
    width: auto;
    margin-right: 8px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: #1e40af;
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(30, 64, 175, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
        linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    display: inline-block;
    font-weight: inherit;
}

.hero-description {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-description {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 140px 0 120px;
    background: var(--bg-gray);
}

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

.service-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

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

.service-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.service-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.service-description {
    color: var(--text-gray);
    line-height: 1.7;
}

/* About Section */
.about {
    padding: 140px 0 120px;
    background: #ffffff;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-description {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 32px;
    line-height: 1.7;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 24px;
    margin-top: 4px;
}

.feature-text h4 {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-dark);
}

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

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 400px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
}

.placeholder-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-description {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-contact {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.contact-icon {
    font-size: 20px;
}

/* Contact Section */
.contact {
    padding: 140px 0 120px;
    background: var(--bg-gray);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 48px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

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

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

.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* Checkbox Group */
.checkbox-group {
    margin: 24px 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-label span {
    color: var(--text-dark);
    font-size: 14px;
    line-height: 1.6;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.checkbox-label a:hover {
    text-decoration: underline;
    color: var(--secondary-color);
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 32px;
    font-weight: 500;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-description {
    color: var(--text-light);
    margin-top: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
}

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

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

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid #374151;
    color: var(--text-light);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .services,
    .about,
    .contact {
        padding: 120px 0 100px;
    }
}

@media (max-width: 768px) {
    .logo-img {
        height: 60px;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        height: calc(100vh - 100%);
        background: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transform: translateX(-100%);
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 32px 24px;
    }
    
    .cta-contact {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .image-placeholder {
        width: 100%;
        max-width: 350px;
        height: 250px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 120px 16px 80px;
    }
    
    .services,
    .about,
    .cta,
    .contact {
        padding: 100px 0 80px;
    }
    
    .section-header {
        margin-bottom: 48px;
    }
    
    .service-card {
        padding: 32px 24px;
    }
    
    .about-features {
        gap: 20px;
    }
    
    .feature {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
}

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

.hero-content > * {
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
    opacity: 1;
}

.hero-badge {
    animation-delay: 0.1s;
}

.hero-title {
    animation-delay: 0.2s;
    opacity: 1 !important;
}

.hero-description {
    animation-delay: 0.3s;
}

.hero-actions {
    animation-delay: 0.4s;
    opacity: 1 !important;
}

.hero-actions .btn {
    opacity: 1 !important;
}

/* Accesibilidad */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Estados de enfoque para teclado */
.btn:focus,
.nav-link:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Mejoras de contraste */
@media (prefers-contrast: high) {
    :root {
        --text-gray: #4b5563;
        --border-color: #6b7280;
    }
}