:root {
    --primary: #3cb77f;
    --primary-light: #40916c;
    --dark: #1b4332;
    --accent: #d8f3dc;
    --white: #ffffff;
    --text: #2b2d42;
    --text-muted: #64748b;
    --glass: rgba(255, 255, 255, 0.95);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
}

/* NAVBAR PROFESIONAL */
.navbar {
    position: fixed;
    top: 0; width: 100%; height: 85px;
    background: var(--glass);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-wrapper {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-logo { height: 60px; transition: 0.3s; }

/* Menú Escritorio */
.desktop-nav { display: block; }
.nav-list { display: flex; list-style: none; gap: 35px; align-items: center; }
.nav-item {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}
.nav-item:hover { color: var(--primary); }

.btn-cta {
    background: var(--primary);
    color: white !important;
    padding: 12px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(45, 106, 79, 0.2);
    transition: 0.3s;
}
.btn-cta:hover { background: var(--dark); transform: translateY(-2px); }

/* BOTÓN MÓVIL */
.menu-btn {
    display: none;
    background: none; border: none; cursor: pointer;
}
.line {
    display: block; width: 28px; height: 2px;
    background: var(--dark); margin: 6px 0;
}

/* SIDE DRAWER (Móvil) */
.side-drawer {
    position: fixed; top: 0; right: -100%;
    width: 320px; height: 100vh;
    background: var(--dark); z-index: 1100;
    padding: 60px 40px;
    transition: transform 0.4s ease-in-out;
}
.side-drawer.open { transform: translateX(-100%); }
.close-btn {
    position: absolute; top: 20px; right: 30px;
    font-size: 2.5rem; color: white; background: none; border: none; cursor: pointer;
}
.mobile-nav-links { list-style: none; margin-top: 40px; }
.mobile-nav-links li { margin-bottom: 30px; }
.mobile-nav-links a { color: white; text-decoration: none; font-size: 1.2rem; }
.cta-mobile { background: var(--primary-light); padding: 12px 20px; border-radius: 8px; display: inline-block; }

/* HERO SECTION */
.hero {
    position: relative; height: 100vh;
    display: flex; align-items: center; color: white;
    overflow: hidden; padding-top: 85px;
}
.hero-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.5); z-index: 2; }
.hero-content { position: relative; z-index: 5; text-align: center; }
.badge {
    background: var(--primary-light); padding: 6px 16px;
    border-radius: 20px; font-size: 0.75rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1px;
}
.hero h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.1; margin: 20px 0; }
.text-gradient { color:rgb(142, 230, 145) ; }
.hero p { max-width: 650px; margin: 0 auto 40px; font-size: 1.2rem; opacity: 0.9; }

.btn-main { background: var(--white); color: var(--dark); padding: 16px 35px; border-radius: 50px; text-decoration: none; font-weight: 700; margin-right: 15px; display: inline-block; }
.btn-outline { border: 2px solid var(--white); color: var(--white); padding: 14px 35px; border-radius: 50px; text-decoration: none; font-weight: 700; display: inline-block; }

/* CARRUSEL ANIMADO */
.hero-carousel { position: absolute; inset: 0; z-index: 1; }
.track { display: flex; width: 300%; height: 100%; animation: slideHero 18s infinite ease-in-out; }
.slide { width: 33.3333%; height: 100%; background-size: cover; background-position: center; }

@keyframes slideHero {
    0%, 28% { transform: translateX(0); }
    33%, 61% { transform: translateX(-33.3333%); }
    66%, 94% { transform: translateX(-66.6666%); }
}

/* CARDS DE IMPACTO */
.main-container { padding: 100px 25px; }
.intro-section { text-align: center; margin-bottom: 80px; }
.section-tag { color: var(--primary); font-weight: 800; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 2px; }
h2 { font-size: 2.8rem; margin: 15px 0; letter-spacing: -1px; }
.lead { color: var(--text-muted); font-size: 1.2rem; max-width: 700px; margin: 0 auto; }

.grid-impact {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.card {
    padding: 50px 40px; border: 1px solid #f1f5f9; border-radius: 20px;
    transition: 0.4s;
}
.card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.05); }
.card-icon { font-size: 2.5rem; color: var(--primary); margin-bottom: 25px; }

.main-footer { padding: 50px 0; border-top: 1px solid #eee; text-align: center; color: var(--text-muted); font-size: 0.9rem; }

.overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.5);
    opacity: 0; visibility: hidden; transition: 0.3s; z-index: 1050;
}
.overlay.active { opacity: 1; visibility: visible; }

/* RESPONSIVE */
@media (max-width: 992px) {
    .desktop-nav { display: none; }
    .menu-btn { display: block; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero-actions a { width: 100%; margin: 10px 0; }
}

.s1 { background-image: url('s1.png'); background-color: #1b4332; }
.s2 { background-image: url('s2.png'); background-color: #2d6a4f; }
.s3 { background-image: url('s3.png'); background-color: #081c15; }

/* Estilos para la sección de la frase (Quote Section) */
.quote-section {
    background-color: #27ae60; /* Un verde vibrante y ecológico */
    color: #ffffff;            /* Letras blancas */
    padding: 60px 40px;        /* Espaciado interno para que respire */
    border-radius: 15px;       /* Bordes redondeados para un look moderno */
    margin: 40px 0;            /* Espacio arriba y abajo del rectángulo */
    text-align: center;        /* Centrar el contenido */
    box-shadow: 0 10px 20px rgba(0,0,0,0.1); /* Una pequeña sombra para dar profundidad */
}

.quote-content i {
    font-size: 2.5rem;         /* Tamaño del icono de comillas */
    margin-bottom: 20px;
    display: block;
    opacity: 0.8;              /* Un poco de transparencia al icono */
}

.quote-content p {
    font-size: 1.5rem;         /* Tamaño de letra más grande para resaltar */
    font-weight: 500;
    line-height: 1.4;
    margin: 0;
    font-style: italic;        /* Estilo cursiva para la cita */
}



/* Estilos extra para mejorar la visualización */
.nosotros-hero {
    padding: 80px 0 40px;
    text-align: center;
    background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 100%);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #4b5563;
    max-width: 700px;
    margin: 1rem auto;
}

.highlight {
    color: #10b981; /* Un verde vibrante */
    font-weight: 800;
}

.mission-vision-bg {
    background-color: #064e3b;
    color: white;
    padding: 60px 0;
    margin: 40px 0;
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.mv-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    backdrop-filter: blur(5px);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #34d399;
}

.check-list {
    list-style: none;
    padding: 0;
}

.check-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.check-list i {
    color: #10b981;
}

/* --- ESTILOS DE FUNCIONAMIENTO CON IMÁGENES  CREDITO --- */

.main-content { padding-top: 100px; }

.process-list {
    margin-top: 80px;
    display: flex;
    flex-direction: column;
    gap: 100px;
}

.process-row {
    display: flex;
    align-items: center;
    gap: 60px;
}

/* Invierte el orden de imagen y texto en los pasos pares */
.process-row.reverse {
    flex-direction: row-reverse;
}

.process-image {
    flex: 1;
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0,0,0,0.1);
}

.process-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.process-row:hover .process-image img {
    transform: scale(1.05);
}

.step-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.5rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.process-text {
    flex: 1;
}

.process-text h3 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 20px;
    position: relative;
}

.process-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 25px;
    line-height: 1.8;
}

.status-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.status-tags span {
    background: var(--accent);
    color: var(--dark);
    padding: 6px 15px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
}

/* Ajuste Responsivo para Móviles */
@media (max-width: 992px) {
    .process-row, .process-row.reverse {
        flex-direction: column;
        gap: 30px;
    }
    
    .process-image img {
        height: 250px;
    }
    
    .process-text {
        text-align: center;
    }
    
    .status-tags {
        justify-content: center;
    }
}


/* --- Estilos de Certificación Mejorados --- */
:root {
    --primary-green: #2e7d32;
    --light-green: #e8f5e9;
    --text-dark: #1a1a1a;
    --text-gray: #4a4a4a;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.certification-section {
    padding: 100px 0;
    background: radial-gradient(circle at top right, #f9fff9, #ffffff);
}

.cert-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.cert-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--text-dark);
    margin: 20px 0 10px;
}

.sub-headline {
    font-size: 1.25rem;
    color: var(--primary-green);
    font-weight: 500;
}

/* Caja Hero Legal */
.legal-hero {
    display: flex;
    align-items: center;
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 60px;
    border-left: 8px solid var(--primary-green);
}

.legal-icon {
    font-size: 3.5rem;
    color: var(--primary-green);
    margin-right: 30px;
}

.legal-text h4 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.legal-text p {
    line-height: 1.7;
    color: var(--text-gray);
    font-size: 1.1rem;
}

/* Grid de Tarjetas */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.cert-card {
    background: var(--white);
    padding: 35px;
    border-radius: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #f0f0f0;
}

.cert-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--light-green);
    color: var(--primary-green);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.cert-card h5 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.cert-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-gray);
}

/* Responsive */
@media (max-width: 768px) {
    .legal-hero {
        flex-direction: column;
        text-align: center;
    }
    .legal-icon { margin: 0 0 20px 0; }
    .cert-header h1 { font-size: 2.2rem; }
}

/* Contenedor principal de la tarjeta */
.flip-card {
    background-color: transparent;
    width: 300px;
    height: 400px;
    perspective: 1000px; /* Efecto 3D */
    cursor: pointer;
}

/* Contenedor interno que realmente gira */
.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

/* Clase que se activa al hacer clic */
.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

/* Posicionamiento de las caras */
.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden; /* Oculta la cara trasera cuando no se ve */
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Cara frontal */
.flip-card-front {
    background-color: #ffffff;
    color: black;
}

/* Cara trasera */
.flip-card-back {
    background-color: #2c3e50;
    color: white;
    transform: rotateY(180deg);
}

/* Imagen dentro de la tarjeta */
.req-img {
    width: 80%;
    height: auto;
    margin-bottom: 15px;
}
/* Contenedor de las tarjetas */
.requirements-grid {
    display: flex;            /* Activa el modo flexible */
    flex-wrap: wrap;         /* Si no caben, saltan a la siguiente línea */
    justify-content: center;  /* Centra las tarjetas */
    gap: 20px;               /* Espacio entre cada tarjeta */
    padding: 40px 0;
}

/* Ajuste de la tarjeta para que no se deforme */
.flip-card {
    background-color: transparent;
    width: 300px;             /* Ancho fijo de la tarjeta */
    height: 380px;            /* Alto fijo de la tarjeta */
    perspective: 1000px;
    cursor: pointer;
}

/* Asegúrate de que las caras ocupen todo el ancho y alto */
.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 15px;
    padding: 20px;
    box-sizing: border-box; /* Importante para que el padding no agrande la tarjeta */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.flip-card-back {
    transform: rotateY(180deg);
    background: #22a53e; /* Color de fondo de la parte de atrás */
}

.req-img {
    width: 100%;
    max-width: 150px; /* Ajusta el tamaño de la imagen t1.jpg */
    height: auto;
    border-radius: 10px;
}