/* ============================================
   ECI LTDA - ESTILOS PRINCIPALES
   ============================================ */

:root {
    --color-primary: #d97706;
    --color-dark: #1a1a1a;
    --color-light: #ffffff;
    --color-gray: #f9fafb;
    --color-gray-dark: #6b7280;
    --color-border: #e5e7eb;
    --font-serif: 'Courier Prime', monospace;
    --font-sans: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-dark);
    background-color: var(--color-light);
    line-height: 1.6;
}

/* ============================================
   LAYOUT PRINCIPAL CON SIDEBAR
   ============================================ */

.container-main {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR IZQUIERDO */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background-color: var(--color-light);
    color: var(--color-dark);
    padding: 30px 20px;
    overflow-y: auto;
    z-index: 1000;
    border-right: 1px solid var(--color-border);
}

.logo-container {
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 20px;
    background-color: var(--color-light);
}

.logo {
    width: 100%;
    max-width: 150px;
    height: auto;
    margin-bottom: 15px;
}

.company-name {
    font-family: var(--font-serif);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-dark);
}

.company-name span {
    font-size: 11px;
    font-weight: 400;
    display: block;
    margin-top: 5px;
    color: var(--color-primary);
}

/* MENÚ VERTICAL */
.sidebar-nav {
    margin-bottom: 50px;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 15px;
}

.nav-link {
    color: var(--color-dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: block;
    padding: 10px 15px;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    font-family: var(--font-serif);
    letter-spacing: 0.5px;
}

.nav-link:hover {
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    padding-left: 20px;
    background-color: rgba(217, 119, 6, 0.1);
}

/* INFORMACIÓN DE CONTACTO EN SIDEBAR */
.contact-info-sidebar {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.contact-item {
    margin-bottom: 20px;
    font-size: 12px;
}

.contact-item strong {
    display: block;
    color: var(--color-primary);
    margin-bottom: 5px;
    font-weight: 600;
}

.contact-item a {
    color: var(--color-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.contact-item p {
    color: var(--color-dark);
    line-height: 1.4;
}

/* CONTENIDO PRINCIPAL */
.main-content {
    margin-left: 280px;
    flex: 1;
    width: calc(100% - 280px);
}

/* ============================================
   SECCIONES
   ============================================ */

section {
    padding: 60px 40px;
    border-bottom: 1px solid var(--color-border);
}

section h2 {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--color-dark);
    letter-spacing: 1px;
}

/* HERO SECTION */
.hero {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
    color: var(--color-dark);
}

.hero-content p {
    font-size: 18px;
    color: var(--color-gray-dark);
    margin-bottom: 30px;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* ABOUT SECTION */
.about {
    background-color: var(--color-light);
    display: flex;
    gap: 40px;
    align-items: center;
}

.about-content {
    flex: 1;
}

.about-content p {
    font-size: 16px;
    color: var(--color-gray-dark);
    margin-bottom: 30px;
    line-height: 1.8;
}

.values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.value-item {
    padding: 20px;
    background-color: var(--color-gray);
    border-left: 4px solid var(--color-primary);
    border-radius: 4px;
}

.value-item h3 {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.value-item p {
    font-size: 14px;
    color: var(--color-gray-dark);
    margin: 0;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* SERVICES SECTION */
.services {
    background-color: var(--color-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--color-light);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    padding: 20px 20px 10px;
    color: var(--color-dark);
}

.service-card p {
    font-size: 14px;
    color: var(--color-gray-dark);
    padding: 0 20px 20px;
    line-height: 1.6;
}

/* PROJECTS SECTION */
.projects {
    background-color: var(--color-light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.project-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.project-item:hover {
    transform: scale(1.02);
}

.project-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.project-item h3 {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--color-light);
    padding: 20px;
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 700;
    margin: 0;
}

/* CONTACT SECTION */
.contact {
    background-color: var(--color-gray);
}

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

.contact-form-wrapper h3,
.contact-info h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--color-dark);
}

/* FORMULARIO */
.contact-form {
    background-color: var(--color-light);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 20px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: var(--font-sans);
}

.form-message {
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 4px;
    display: none;
    font-size: 14px;
    font-weight: 500;
}

.form-message.success {
    display: block;
    background-color: #d1fae5;
    color: #065f46;
    border-left: 4px solid #10b981;
}

.form-message.error {
    display: block;
    background-color: #fee2e2;
    color: #991b1b;
    border-left: 4px solid #ef4444;
}

/* INFORMACIÓN DE CONTACTO */
.contact-info {
    background-color: var(--color-light);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.info-item {
    margin-bottom: 25px;
}

.info-item strong {
    display: block;
    color: var(--color-primary);
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
}

.info-item p {
    color: var(--color-gray-dark);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.info-item a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.info-item a:hover {
    color: var(--color-dark);
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-family: var(--font-serif);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: #b45309;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(217, 119, 6, 0.3);
}

.btn-primary:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
    transform: none;
}

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

.footer {
    background-color: var(--color-dark);
    color: var(--color-light);
    text-align: center;
    padding: 30px;
    margin-left: 280px;
}

.footer-content p {
    margin: 5px 0;
    font-size: 14px;
}

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

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 20px;
    }

    .container-main {
        flex-direction: column;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .footer {
        margin-left: 0;
    }

    section {
        padding: 40px 20px;
    }

    section h2 {
        font-size: 28px;
    }

    .hero {
        flex-direction: column;
    }

    .hero-content h2 {
        font-size: 32px;
    }

    .about {
        flex-direction: column;
    }

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

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

    .sidebar-nav ul {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .sidebar-nav li {
        margin-bottom: 0;
    }

    .nav-link {
        padding: 8px 15px;
        border-left: none;
        border-bottom: 2px solid transparent;
    }

    .nav-link:hover {
        border-left: none;
        border-bottom-color: var(--color-primary);
        padding-left: 15px;
    }
}

@media (max-width: 480px) {
    section {
        padding: 30px 15px;
    }

    section h2 {
        font-size: 24px;
    }

    .hero-content h2 {
        font-size: 24px;
    }

    .hero-content p {
        font-size: 16px;
    }

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

    .contact-form {
        padding: 20px;
    }

    .contact-info {
        padding: 20px;
    }
}


/* ============================================
   PÁGINA DE PROYECTOS DETALLADA
   ============================================ */

.projects-header {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    text-align: center;
    padding: 60px 40px;
}

.projects-header h1 {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-dark);
    letter-spacing: 1px;
}

.projects-header p {
    font-size: 18px;
    color: var(--color-gray-dark);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-secondary {
    background-color: var(--color-dark);
    color: var(--color-light);
    display: inline-block;
}

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

.projects-detailed {
    padding: 60px 40px;
    background-color: var(--color-light);
}

.project-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 80px;
    padding-bottom: 80px;
    border-bottom: 1px solid var(--color-border);
}

.project-detail:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.project-detail:nth-child(even) {
    grid-template-columns: 1fr 1fr;
    direction: rtl;
}

.project-detail:nth-child(even) > * {
    direction: ltr;
}

.project-image-large {
    width: 100%;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

.project-info-detail h2 {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-dark);
    letter-spacing: 0.5px;
}

.project-category {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-description {
    font-size: 16px;
    color: var(--color-gray-dark);
    line-height: 1.8;
    margin-bottom: 25px;
}

.project-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding-top: 25px;
    border-top: 1px solid var(--color-border);
}

.detail-item {
    padding: 15px;
    background-color: var(--color-gray);
    border-radius: 4px;
}

.detail-item strong {
    display: block;
    color: var(--color-primary);
    margin-bottom: 5px;
    font-weight: 600;
}

.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, #b45309 100%);
    color: var(--color-light);
    text-align: center;
    padding: 60px 40px;
    border-radius: 8px;
    margin: 60px 40px;
}

.cta-section h2 {
    color: var(--color-light);
    font-size: 36px;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

.nav-link.active {
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

@media (max-width: 768px) {
    .project-detail {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 50px;
        padding-bottom: 50px;
    }

    .project-detail:nth-child(even) {
        direction: ltr;
    }

    .project-image-large {
        height: 300px;
    }

    .project-info-detail h2 {
        font-size: 24px;
    }

    .project-details {
        grid-template-columns: 1fr;
    }

    .projects-header h1 {
        font-size: 36px;
    }

    .cta-section {
        margin: 30px 20px;
        padding: 40px 20px;
    }
}