/* ============================================
   PLANARIS - ESTILOS GLOBALES
   ============================================ */

/* Variables de Color */
:root {
    --color-primary: #0B1320;
    --color-secondary: #2A4360;
    --color-accent: #506C89;
    --color-light: #94A6B4;
    --color-dark-alt: #294E68;
    --color-deep: #03253F;
    --color-white: #ffffff;
    --color-text-light: #f8f9fa;
    --color-text-dark: #333333;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--color-text-dark);
}

/* ============================================
   HEADER Y NAVEGACIÓN
   ============================================ */

header {
    background: var(--color-white);
    color: var(--color-primary);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(11,19,32,0.1);
    border-bottom: 1px solid #e2e8f0;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    height: auto;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 50px;
    width: auto;
    display: block;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

nav a:hover {
    color: var(--color-accent);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============================================
   SECCIÓN HERO
   ============================================ */

.hero {
    background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-dark-alt) 100%);
    color: white;
    padding: 150px 2rem 100px;
    text-align: center;
    margin-top: 70px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* ============================================
   BOTONES
   ============================================ */

.cta-button {
    background: var(--color-accent);
    color: white;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(80,108,137,0.4);
}

/* ============================================
   CONTENEDORES Y SECCIONES
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 80px 0;
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-primary);
}

h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

/* ============================================
   TARJETAS DE SERVICIOS
   ============================================ */

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s;
    border-left: 4px solid var(--color-accent);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border-left-color: var(--color-light);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3,
.service-card h4 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-card p {
    line-height: 1.7;
}

/* ============================================
   CARACTERÍSTICAS
   ============================================ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    text-align: center;
    padding: 1.5rem;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-item h3 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

/* ============================================
   CONTENIDO DE SERVICIOS
   ============================================ */

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

.service-image {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-deep) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 5rem;
}

.service-description {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.service-description p {
    margin-bottom: 1rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

/* ============================================
   SECCIÓN SOBRE NOSOTROS
   ============================================ */

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.about-text p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-image {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-deep) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 5rem;
}

/* ============================================
   BENEFICIOS Y APLICACIONES
   ============================================ */

.benefits-section,
.tech-section,
.applications-section {
    background: #f8f9fa;
}

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

.benefit-card,
.tech-card,
.application-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.benefit-card:hover,
.tech-card:hover {
    transform: translateY(-5px);
}

.benefit-icon,
.tech-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.benefit-card h4,
.tech-card h4,
.application-card h4 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.application-card {
    border-left: 4px solid var(--color-accent);
}

.application-card ul {
    list-style: none;
    padding-left: 0;
}

.application-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.application-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* ============================================
   VENTAJAS Y PROCESO
   ============================================ */

.advantages-section {
    background: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.advantage-item {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
    text-align: center;
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.advantage-item h4 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.process-section {
    background: white;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 10px;
    position: relative;
}

.step-number {
    background: var(--color-accent);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.process-step h4 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

/* ============================================
   CASOS DE USO
   ============================================ */

.use-cases-section {
    background: #f8f9fa;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.use-case-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

.use-case-card h4 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.use-case-card ul {
    list-style: none;
    padding: 0;
}

.use-case-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.use-case-card li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* ============================================
   LISTA DE APLICACIONES
   ============================================ */

.applications-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.application-item {
    background: white;
    padding: 1.5rem;
    border-left: 4px solid var(--color-accent);
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.application-item h4 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

/* ============================================
   CONTACTO
   ============================================ */

#contacto {
    background: #f8f9fa;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-info h3 {
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.contact-item-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.contact-item-text a {
    color: var(--color-text-dark);
    text-decoration: none;
}

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

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-family: inherit;
    transition: border-color 0.3s;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* ============================================
   CTA SECTIONS
   ============================================ */

.cta-section {
    background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-dark-alt) 100%);
    color: white;
    text-align: center;
    padding: 60px 2rem;
}

.cta-section h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
    background: var(--color-primary);
    color: white;
    text-align: center;
    padding: 2rem;
}

footer a {
    color: white;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

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

@media (max-width: 768px) {
    .logo img {
        height: 70px;
    }

    .menu-toggle {
        display: block;
    }

    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }

    nav ul.active {
        display: flex;
    }

    nav ul li {
        padding: 0.5rem 2rem;
    }

    .hero {
        margin-top: 70px;
        padding: 100px 2rem 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .service-content {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

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

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

    .benefits-grid,
    .tech-grid,
    .advantages-grid,
    .applications-grid,
    .use-cases-grid,
    .process-steps,
    .applications-list {
        grid-template-columns: 1fr;
    }
}