/* --- VARIABLES GLOBALES Y ESTILOS BASE --- */
:root {
    --white: #FFFFFF;
    --corporate-blue: #002D62;
    --accent-orange: #F37021;
    --text-dark: #333333;
    --text-light: #666666;
    --border-light: #E0E0E0;
    --background-light: #f8f9fa;
    --shadow-light: rgba(0,0,0,0.05);
    --font-sans: 'Montserrat', sans-serif;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background-color: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
ul { list-style: none; }
a { text-decoration: none; color: var(--corporate-blue); transition: var(--transition); }
a:hover { color: var(--accent-orange); }
h1, h2, h3, h4 { color: var(--corporate-blue); line-height: 1.2; }
.section-padding { padding: 100px 0; }

.section-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: ''; display: block; width: 80px; height: 4px;
    margin: 15px auto 0; background-color: var(--accent-orange); border-radius: 2px;
}

/* --- BOTONES --- */
.btn {
    display: inline-block; padding: 14px 32px; border-radius: 4px;
    font-weight: 600; font-size: 1rem; transition: var(--transition);
    text-align: center; cursor: pointer; text-transform: uppercase; letter-spacing: 0.5px;
}
.btn-primary {
    background-color: var(--accent-orange); color: var(--white); border: 2px solid var(--accent-orange);
}
.btn-primary:hover {
    background-color: #e55a1a; border-color: #e55a1a; transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(243, 112, 33, 0.3);
}
.btn-outline {
    background-color: transparent; color: var(--corporate-blue); border: 2px solid var(--corporate-blue);
}
.btn-outline:hover {
    background-color: var(--corporate-blue); color: var(--white);
}

/* --- HEADER Y NAVEGACIÓN --- */
.header {
    background-color: var(--white); padding: 15px 0; position: fixed;
    width: 100%; top: 0; z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 2px 5px var(--shadow-light);
    transition: top 0.3s;
}
.header.hidden { top: -100px; }

.header nav { display: flex; justify-content: space-between; align-items: center; }
.logo img { height: 45px; width: auto; }

.nav-menu { display: flex; align-items: center; gap: 35px; }
.nav-menu a {
    font-size: 0.9rem; color: var(--text-dark); font-weight: 600;
    text-transform: uppercase; position: relative;
}
.nav-menu li:not(:last-child) a::after {
    content: '|'; position: absolute; right: -18px;
    color: var(--border-light); font-weight: 300;
}
.nav-menu a.active, .nav-menu a:hover { color: var(--accent-orange); }

/* --- NUEVO: Selector de Idioma --- */
.language-selector { display: flex; align-items: center; gap: 12px; }
.language-selector img {
    width: 24px; height: 18px; border-radius: 2px;
    cursor: pointer; transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    object-fit: cover;
}
.language-selector img:hover { transform: scale(1.1); }
.lang-btn {
    opacity: 0.6;
    transition: var(--transition);
}
.lang-btn.active {
    opacity: 1;
    transform: scale(1.1);
}

.hamburger { display: none; cursor: pointer; }
.bar {
    display: block; width: 25px; height: 3px; margin: 5px auto;
    background-color: var(--corporate-blue); transition: all 0.3s ease-in-out;
}

/* --- HERO SECTION --- */
#hero {
    min-height: 90vh; display: flex; align-items: center; padding-top: 80px;
    text-align: left;
}
.hero-logo { margin-bottom: 30px; }
.hero-logo img { max-width: 350px; }
.hero-slogan {
    font-size: clamp(28px, 5vw, 42px); font-weight: 700;
    margin-bottom: 20px; line-height: 1.3;
}
.hero-description {
    font-size: 1.25rem; color: var(--text-light); margin-bottom: 40px;
    max-width: 650px;
}

/* --- ABOUT SECTION --- */
.about-content {
    max-width: 850px; margin: 0 auto; text-align: left;
    font-size: 1.1rem; column-count: 2; column-gap: 40px;
}
.about-content p { margin-bottom: 20px; }

/* --- SECCIONES DE SERVICIOS Y EQUIPO --- */
#services, #clients { background-color: var(--background-light); }

.services-grid, .team-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px;
}
.service-card, .team-card {
    background-color: var(--white); padding: 35px; border-radius: 8px;
    transition: var(--transition); box-shadow: 0 4px 10px var(--shadow-light);
    border: 1px solid var(--border-light); position: relative;
}
.service-card:hover, .team-card:hover {
    transform: translateY(-8px); box-shadow: 0 12px 25px rgba(0,0,0,0.1);
}
.service-card::before, .team-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 5px;
    border-radius: 8px 8px 0 0;
}
.service-card::before { background-color: var(--accent-orange); }
.team-card::before { background-color: var(--corporate-blue); }

.service-card h3, .team-card h4 { margin-bottom: 20px; font-size: 1.4rem; }
.service-card ul li { padding: 8px 0; border-bottom: 1px solid var(--border-light); }
.service-card ul li:last-child { border-bottom: none; }
.team-card { text-align: left; }
.team-card p { font-size: 0.95rem; margin-bottom: 10px; }

/* --- CLIENTS SECTION --- */
.clients-logos {
    display: flex; flex-wrap: wrap; justify-content: center;
    align-items: center; gap: 40px;
}
.clients-logos span {
    font-size: 1.1rem; font-weight: 600; color: var(--text-light);
    transition: var(--transition); padding: 15px 25px;
    border: 1px solid transparent; border-radius: 8px;
}
.clients-logos span:hover {
    color: var(--corporate-blue); background-color: var(--white);
    border-color: var(--border-light); box-shadow: 0 4px 10px var(--shadow-light);
    transform: translateY(-3px);
}

/* --- CONTACT SECTION (CORREGIDO) --- */
.contact-subtitle { text-align: center; max-width: 600px; margin: -40px auto 50px; color: var(--text-light); }
.contact-form { max-width: 700px; margin: 0 auto; }
.form-group { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }

.contact-form input, .contact-form textarea {
    width: 100%; padding: 15px; background-color: var(--white);
    border: 1px solid var(--border-light); border-radius: 5px;
    color: var(--text-dark); font-family: var(--font-sans); font-size: 1rem;
    transition: var(--transition);
}
.contact-form input:focus, .contact-form textarea:focus {
    outline: none; border-color: var(--corporate-blue);
    box-shadow: 0 0 0 3px rgba(0, 45, 98, 0.1);
}
.contact-form button { width: 100%; }

/* --- Captcha matemático --- */
.captcha-group {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 15px; margin: 20px 0;
    padding: 15px 20px; background-color: var(--background-light);
    border: 1px solid var(--border-light); border-radius: 5px;
}
.captcha-group label {
    font-size: 1rem; color: var(--text-dark); font-weight: 500;
}
.captcha-group label strong {
    color: var(--corporate-blue); font-size: 1.15rem;
    margin-left: 6px; letter-spacing: 1px;
}
.captcha-group input[type="number"] {
    width: 100px; padding: 10px 12px; font-size: 1rem;
    border: 1px solid var(--border-light); border-radius: 5px;
    background-color: var(--white); text-align: center;
    font-family: var(--font-sans); transition: var(--transition);
}
.captcha-group input[type="number"]:focus {
    outline: none; border-color: var(--corporate-blue);
    box-shadow: 0 0 0 3px rgba(0, 45, 98, 0.1);
}

/* --- Honeypot (campo trampa invisible para bots) --- */
.hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

.form-message {
    max-width: 700px;
    margin: 0 auto 25px;
    padding: 14px 20px;
    border-radius: 5px;
    text-align: center;
    font-weight: 600;
}
.form-message--ok    { background-color: #e6f4ea; color: #1e6b3a; border: 1px solid #b7dfc4; }
.form-message--error { background-color: #fdecea; color: #a02626; border: 1px solid #f5c2c0; }

/* --- FOOTER --- */
.footer {
    padding: 30px 0; text-align: center; background-color: var(--corporate-blue);
    color: var(--white);
}

/* --- ANIMACIONES DE SCROLL (RE-ACTIVADAS) --- */
[data-anim] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
[data-anim="fade-in"] { transform: translateY(0); }
[data-anim].visible { opacity: 1; transform: translateY(0); }

/* --- DISEÑO RESPONSIVE (CORREGIDO) --- */
@media (max-width: 992px) {
    .about-content { column-count: 1; }
    .nav-menu { gap: 25px; }
    .nav-menu li:not(:last-child) a::after { right: -13px; }
}

@media (max-width: 768px) {
    .section-title { font-size: 2.2rem; }
    .hamburger { display: block; }
    .language-selector { display: none; } /* Ocultar en menú hamburguesa */
    
    .nav-menu {
        position: fixed; left: -100%; top: 75px; /* Altura del header */
        flex-direction: column; background-color: var(--white);
        width: 100%; text-align: center; transition: 0.3s;
        gap: 0; padding: 20px 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    .nav-menu.active { left: 0; }
    .nav-menu li { width: 100%; }
    .nav-menu a { padding: 15px 0; display: block; width: 100%; }
    .nav-menu li:not(:last-child) a::after { content: none; }

    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    .form-group { grid-template-columns: 1fr; }
    .hero-content, #hero { text-align: center; }
    .hero-logo { justify-content: center; }
}