/* Variables Globales */
:root {
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    
    --text-dark: #1A1A1A;
    --text-light: #fff;
    --color-primary: #59B8D9;
    --color-red: #D33434;
    --color-green: #9DC43A;
    --color-purple: #543282;

    --font-main: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
}

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Utils (Helpers) */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.text-center { text-align: center; }
.justify-center { justify-content: center; display: flex; }
.max-w-800 { max-width: 800px; }
.full-width { width: 100%; text-align: center; justify-content: center; }

/* Tipografía / Colores de texto */
.text-primary { color: var(--color-primary); }
.text-red { color: var(--color-red); }
.text-green { color: var(--color-green); }
.text-purple { color: var(--color-purple); }

.subtitle-dark { color: #475569; font-weight: 500; }
.section-title { font-size: 2.8rem; margin-bottom: 24px; line-height: 1.2; }

/* Botones (BEM) */
.btn {
    padding: 14px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--bg-white);
    box-shadow: 0 4px 15px rgba(89, 184, 217, 0.3);
}

.btn--primary:hover {
    background-color: #48a0bf;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(89, 184, 217, 0.4);
}

.btn--secondary {
    background-color: transparent;
    color: var(--bg-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn--outline-small {
    border: 1px solid var(--color-primary);
    color: var(--color-primary) !important;
    padding: 8px 20px;
    border-radius: 4px;
    background-color: transparent;
}
.btn--outline-small:hover {
    background-color: var(--color-primary);
    color: var(--bg-white) !important;
}

/* Navbar (BEM) */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
    padding-top: 15px;
    padding-bottom: 15px;
}

.navbar--scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    padding-top: 10px;
    padding-bottom: 10px;
}

.navbar__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: padding 0.4s ease;
}

.navbar__logo-wrapper {
    display: flex;
    position: relative; /* Permite superponer el logo alternativo */
}

.navbar__logo {
    width: 150px;
    height: auto;
    transition: opacity 0.4s ease; /* Fundido suave entre logos */
}

/* El logo alternativo se posiciona exactamente encima del original pero invisible */
.navbar__logo--alt {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

/* --- Estados al hacer Scroll --- */

/* Oculta el logo original */
.navbar--scrolled .navbar__logo--default {
    opacity: 0;
}

/* Muestra el logo alternativo */
.navbar--scrolled .navbar__logo--alt {
    opacity: 1;
}

/* Aplica un filtro de brillo u oscuridad al logo si es necesario. (opcional, asumiendo logo se ve en ambos)
.navbar--scrolled .navbar__logo {
    filter: invert(1); Si el logo es muy blanco y necesitas que sea negro en scroll, se ajusta aqui.
} */

.navbar__menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 35px;
}

.navbar__link {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    word-spacing: 1.5pt;
    transition: color 0.3s ease;
    text-transform: uppercase;
}

.navbar__link:hover:not(.btn--outline-small) {
    color: var(--color-primary);
}

.navbar--scrolled .navbar__link:not(.btn--outline-small) {
    color: var(--text-dark);
}
.navbar--scrolled .navbar__link:not(.btn--outline-small):hover {
    color: var(--color-primary);
}

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.hamburger__line {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    border-radius: 2px;
    transition: background-color 0.3s ease;
}

.navbar--scrolled .hamburger__line {
    background-color: var(--text-dark);
}

/* Sections Global (BEM) */
.section--dark { background-color: var(--bg-dark); color: var(--bg-white); padding: 120px 0; }
.section--light { background-color: var(--bg-light); color: var(--text-dark); padding: 100px 0; }
.section--white { background-color: var(--bg-white); color: var(--text-dark); padding: 100px 0; }

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

/* Badges */
.badge, .badge--light {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.75rem;
    letter-spacing: 1px;
    margin-bottom: 20px;
    font-weight: 700;
    width: fit-content;
}
.badge { background: rgba(89, 184, 217, 0.15); color: var(--color-primary); border: 1px solid rgba(89, 184, 217, 0.3); }
.badge--light { background: #e2e8f0; color: var(--text-dark); }


/* Hero Section */
.hero { position: relative; overflow: hidden; }
.hero__video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero__overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.7) 100%); z-index: 1; }
.hero__grid { display: grid; grid-template-columns: 1fr; gap: 60px; align-items: center; margin-top: 80px; position: relative; z-index: 2; }
.hero__title { font-size: 3rem; line-height: 1.1; margin-bottom: 24px; font-weight: 700; max-width: 60%; }
.hero__text { font-size: 1.1rem; margin-bottom: 40px; max-width: 80%; line-height: 1.8; color: #cbd5e1; }
.hero__actions { display: flex; gap: 20px; flex-wrap: wrap; }

/* Clients Carousel Section */
.clients-section {
    padding: 60px 0 20px 0;
}
.clients-section__title {
    font-size: 1.1rem; 
    text-transform: uppercase; 
    letter-spacing: 1px; 
    color: #64748b; 
    margin-bottom: 1.5rem;
}
.carousel {
    overflow: hidden;
    width: 100%;
    position: relative;
    white-space: nowrap;
    padding: 20px 0;
    mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}
.carousel__track {
    display: inline-flex;
    align-items: center;
    gap: 80px;
    animation: scroll-carousel 30s linear infinite;
}
.carousel:hover .carousel__track {
    animation-play-state: paused;
}
.carousel__logo { flex-shrink: 0; }
.carousel__logo img {
    height: 45px; width: 120px; object-fit: contain;
    filter: grayscale(100%) opacity(50%); transition: all 0.3s ease;
}
.carousel__logo:hover img {
    filter: grayscale(0%) opacity(100%); transform: scale(1.05);
}
@keyframes scroll-carousel {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-50% - 40px)); }
}

/* Philosophy Section */
.philosophy-header { display: flex; flex-direction: column; gap: 0px; }
.philosophy-header__title { font-size: 2.8rem; margin-bottom: 24px; line-height: 1.2; }

.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; text-align: left; }
.problem-card { background: var(--bg-white); padding: 30px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05); transition: transform 0.3s; }
.problem-card:hover { transform: translateY(-5px); }
.problem-card__icon { font-size: 2rem; margin-bottom: 15px; }
.problem-card__title { font-size: 1.1rem; margin-bottom: 10px; }
.problem-card__text { font-size: 0.9rem; color: #64748b; margin-bottom: 0; }

.media-content__video { width: 100%; height: 600px; border-radius: 12px; object-fit: cover; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15); }

/* Business Units (Services) */
.block-title { font-size: 1.8rem; margin-bottom: 30px; color: var(--bg-white); border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 15px; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.services-grid--two-cols { grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); }
.service-card { padding: 40px; border-radius: 12px; transition: all 0.3s; }
.service-card--dark { background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.08); }
.service-card--dark:hover { transform: translateY(-10px); background: rgba(255, 255, 255, 0.05); border-color: var(--color-primary); }
.service-card__title { color: var(--bg-white); margin-bottom: 15px; font-size: 1.3rem; }
.service-card__icon { font-size: 2.8rem; margin-bottom: 25px; }
.service-card__text { color: #cbd5e1; font-size: 0.95rem; }

/* Cases (Impact) */
.impact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.impact-card { background: var(--bg-white); padding: 40px 20px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.impact-card__value { font-size: 3rem; font-weight: 700; line-height: 1; margin-bottom: 15px; }
.impact-card__text { font-size: 0.9rem; color: #64748b; }

/* Contact Form */
.contact-info__title { font-size: 2.8rem; margin-bottom: 24px; line-height: 1.2; }
.contact-info__text { font-size: 1.1rem; line-height: 1.8; color: #475569; }
.contact-item { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 25px; }
.contact-item__icon { font-size: 1.8rem; margin-top: 5px; }
.contact-item__title { color: var(--text-dark); display: block; margin-bottom: 3px; font-size: 1.1rem; }
.contact-item__text { color: #475569; }

.contact-form { background: #f8fafc; padding: 40px; border-radius: 12px; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08); border: 1px solid #e2e8f0; }
.form-group { margin-bottom: 20px; }
.form-group__label { display: block; margin-bottom: 8px; font-size: 0.9rem; font-weight: 600; color: var(--text-dark); }
.form-group__icon { color: var(--color-primary); margin-right: 5px; }
.form-group__input { width: 100%; padding: 14px; border: 1px solid #cbd5e1; border-radius: 6px; background: var(--bg-white); transition: 0.3s; }
.form-group__input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(89, 184, 217, 0.2); }

/* Botones Flotantes */
.floating-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--bg-white);
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.floating-btn:hover {
    transform: scale(1.1);
    color: var(--bg-white);
}

.floating-btn--whatsapp {
    background-color: #25D366; /* Verde oficial de WhatsApp */
}

.floating-btn--whatsapp:hover {
    background-color: #1ebe57;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.floating-btn--up {
    background-color: var(--color-primary);
    font-size: 22px; /* Ícono de flecha ligeramente más pequeño */
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

/* Clase modificadora que se añade con JS al hacer scroll */
.floating-btn--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.floating-btn--up:hover {
    background-color: #48a0bf;
    box-shadow: 0 6px 20px rgba(89, 184, 217, 0.4);
}

/* Footer */
.footer { background-color: var(--bg-darker); color: #64748b; padding: 60px 0 40px; }
.footer__logo { width: 180px; height: auto; }

/* Responsive */
@media (max-width: 1024px) {
    .split-layout, .impact-grid { grid-template-columns: 1fr; gap: 40px; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    
    .carousel__track { gap: 50px; }
    .carousel__logo img { height: 38px; }
}

@media (max-width: 768px) {
    .hamburger { display: flex; }
    .navbar__menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 20px 0;
        gap: 15px;
        display: none;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    }
    .navbar__menu--active { display: flex; }
    /* Ajustar color en responsive mobile cuando menu abierto para que se lea en fondo blanco */
    .navbar__menu--active .navbar__link:not(.btn--outline-small) { color: var(--text-dark); }
    
    .hero__title { font-size: 2.5rem; max-width: 100%; }
    .contact-info__title, .section-title, .philosophy-header__title { font-size: 2.2rem; }
    .problem-grid, .services-grid { grid-template-columns: 1fr; }
    .section--dark, .section--light, .section--white { padding: 60px 0; }
    
    .carousel__track { gap: 40px; animation: scroll-carousel 20s linear infinite; }
    .carousel__logo img { height: 30px; filter: grayscale(100%) opacity(70%); }
    .carousel { mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent); -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent); }

    .floating-container { bottom: 20px; right: 20px; gap: 10px; }
    .floating-btn { width: 50px; height: 50px; font-size: 26px; }
    .floating-btn--up { font-size: 18px; }
}

/* Formulario: estado de envío, honeypot y Turnstile */
.form-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-group--captcha { min-height: 65px; }
.form-status { display: none; margin-bottom: 20px; padding: 12px 14px; border-radius: 6px; font-size: 0.9rem; line-height: 1.5; }
.form-status--success { display: block; background: rgba(157, 196, 58, 0.15); border: 1px solid var(--color-green); color: #3f5a10; }
.form-status--error { display: block; background: rgba(211, 52, 52, 0.08); border: 1px solid var(--color-red); color: #8f1f1f; }
.contact-form button[disabled] { opacity: 0.7; cursor: not-allowed; }


/* -----------------------------------------------------
------------------------------------------------------ */

/* 1. Cortar cualquier desborde horizontal en la raíz */
html, body {
    overflow-x: hidden;
    max-width: 100%;
}

/* AOS: contener las animaciones laterales dentro de cada sección */
.section--dark, .section--light, .section--white, .hero {
    overflow-x: hidden;
    overflow-x: clip;
}

/* 2. Columnas que no se estiran por su contenido */
@media (max-width: 1024px) {
    .split-layout, .impact-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 768px) {
    .problem-grid, .services-grid { grid-template-columns: minmax(0, 1fr); }

    /* 3. Formulario más compacto en móvil */
    .contact-form { padding: 24px 16px; }
    .form-group--captcha { overflow: hidden; }
}