/* ESTILOS ELECT TECHNOLOGIES - TEMA NAVY */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Roboto', sans-serif; line-height: 1.6; color: #333; background-color: #f9f9f9; }

/* VARIABLES DE COLOR */
:root {
    --navy-main: #001f3f; /* Azul Navy principal */
    --navy-light: #003366; /* Azul Navy un poco más claro para hover */
    --accent: #2ECC40; /* Verde sutil para detalles (tipo tecnología/power) */
    --white: #ffffff;
    --gray-light: #f4f4f4;
}

/* NAVBAR */
.navbar { background: var(--white); padding: 15px 0; border-bottom: 2px solid #eee; position: sticky; top: 0; z-index: 1000; }
.navbar .container { display: flex; justify-content: space-between; align-items: center; width: 90%; max-width: 1200px; margin: auto; }
.logo { height: 60px; width: auto; } /* Ajuste automático de logo */
.nav-links { list-style: none; display: flex; gap: 25px; }
.nav-links a { text-decoration: none; color: var(--navy-main); font-weight: 700; font-size: 1rem; text-transform: uppercase; }
.btn-primary { border: 2px solid var(--navy-main); padding: 8px 16px; border-radius: 4px; transition: 0.3s; }
.btn-primary:hover { background: var(--navy-main); color: var(--white); }

/* HERO */
.hero { background-color: var(--navy-main); color: var(--white); padding: 120px 20px; text-align: center; }
.hero h1 { font-size: 3.5rem; margin-bottom: 15px; font-weight: 700; line-height: 1.2; }
.subtitle { font-size: 1.5rem; color: #add8e6; margin-bottom: 25px; font-weight: 300; letter-spacing: 1px; }
.hero-text { max-width: 750px; margin: 0 auto 40px; font-size: 1.2rem; opacity: 0.9; }
.btn-cta { background: var(--accent); color: var(--navy-main); padding: 18px 35px; text-decoration: none; font-weight: bold; border-radius: 50px; font-size: 1.1rem; box-shadow: 0 4px 15px rgba(0,0,0,0.2); transition: transform 0.2s; }
.btn-cta:hover { transform: scale(1.05); background: #28b639; }

/* SECCIONES */
.section { padding: 80px 20px; }
.container { width: 90%; max-width: 1200px; margin: auto; }
.section-title { text-align: center; font-size: 2.5rem; color: var(--navy-main); margin-bottom: 50px; position: relative; }
.section-title::after { content: ''; display: block; width: 60px; height: 4px; background: var(--accent); margin: 15px auto 0; }
.section-desc { text-align: center; font-size: 1.3rem; color: #666; margin-bottom: 60px; margin-top: -30px; }

/* SERVICIOS (GRID) */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.card { background: white; padding: 40px 30px; border-radius: 8px; box-shadow: 0 10px 20px rgba(0,0,0,0.05); transition: 0.3s; border-bottom: 4px solid transparent; }
.card:hover { transform: translateY(-10px); border-bottom: 4px solid var(--navy-main); }
.card h3 { color: var(--navy-main); margin-bottom: 20px; font-size: 1.4rem; }

/* WHY US & HOW WE WORK */
.bg-light { background-color: var(--gray-light); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; text-align: center; }
.feature-item h4 { color: var(--navy-main); margin-bottom: 10px; font-size: 1.2rem; }
.impact-text { text-align: center; margin-top: 60px; font-weight: bold; font-size: 1.5rem; color: var(--navy-main); font-style: italic; }
.how-list { list-style: none; text-align: center; font-size: 1.2rem; max-width: 800px; margin: 0 auto; }
.how-list li { margin-bottom: 15px; background: white; padding: 15px; border-radius: 50px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); }

/* FOOTER */
.footer { background: #001226; color: white; padding: 60px 0 30px; text-align: center; }
.footer h3 { font-size: 1.8rem; margin-bottom: 10px; color: var(--accent); }
.contact-info p { margin-bottom: 10px; font-size: 1rem; color: #ccc; }
.contact-info a { color: white; text-decoration: none; border-bottom: 1px dotted #ccc; }
.copyright { border-top: 1px solid #333; margin-top: 40px; padding-top: 20px; font-size: 0.9rem; color: #666; }