:root {
    --primary-color: #2E7D32; 
    --secondary-color: #4CAF50; 
    --accent-color: #8BC34A; 
    --background-light: #F5F6FA;
    --text-color: #333; 
    --text-light: #666; 
    --header-deep-green: #1A362B; 
    --dark-text-on-dark: #EEEEEE; 
    --logo-badge-bg: #E0E0E0; 
    --shadow-light: rgba(0,0,0,0.08);
    --shadow-medium: rgba(0,0,0,0.15);
    --shadow-deep: rgba(0,0,0,0.25);
}

/* Estilos Generales */
body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #f0f4f8; 
    overflow-x: hidden; 
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
    opacity: 0; 
    transform: translateY(20px); 
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.section.animate-fade-in-up.active {
    opacity: 1;
    transform: translateY(0);
}

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

/* Estilos para la sección de CTA "Comienza a Organizarte Hoy Mismo" */
.section#descarga {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--dark-text-on-dark);
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
    padding: 100px 0; 
}

.section#descarga h2, .section#descarga p {
    color: var(--dark-text-on-dark);
}

.section#descarga .cta-button.primary {
    background-color: var(--dark-text-on-dark);
    color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.section#descarga .cta-button.primary:hover {
    background-color: #fff;
    color: var(--secondary-color);
    box-shadow: 0 6px 16px rgba(0,0,0,0.4);
}

.section#descarga .cta-button.secondary {
    border-color: var(--dark-text-on-dark);
    color: var(--dark-text-on-dark);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.section#descarga .cta-button.secondary:hover {
    background-color: var(--dark-text-on-dark);
    color: var(--primary-color);
    box-shadow: 0 6px 16px rgba(0,0,0,0.4);
}


h1, h2, h3 {
    font-weight: 700;
    color: var(--primary-color);
}

h1 {
    font-size: 3.5rem;
    margin: 0 0 20px 0;
    line-height: 1.2;
}

h2 {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px; 
}

h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--secondary-color);
    border-radius: 2px;
}

p {
    font-weight: 400;
    font-size: 1.1rem;
}

/* Header y Navbar */
.header {
    background-color: var(--header-deep-green); 
    box-shadow: 0 4px 15px var(--shadow-deep); 
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease-in-out;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo-container {
    background-color: var(--logo-badge-bg);
    padding: 8px 18px; 
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.4);
    display: flex; 
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.logo-container:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 5px 15px rgba(0,0,0,0.6);
}

.logo-container img {
    height: 50px; 
    width: auto; 
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px; 
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-text-on-dark);
    font-weight: 600;
    font-size: 1.05rem;
    transition: color 0.3s ease, transform 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease-out;
}

.nav-links a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Menu Hamburguesa para móviles */
.menu-toggle {
    display: none; 
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
}

.menu-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--dark-text-on-dark);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.hero {
    display: flex;
    flex-direction: row; 
    align-items: center;
    justify-content: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, #e3f2fd 0%, #ffffff 100%);
    gap: 40px; 
    min-height: 80vh;
    position: relative;
    overflow: hidden; 
}

.hero::before, .hero::after {
    content: '';
    position: absolute;
    background-color: rgba(46, 125, 50, 0.08); 
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
}

.hero::before {
    width: 300px;
    height: 300px;
    top: -50px;
    left: -50px;
    animation: float1 10s infinite ease-in-out;
}

.hero::after {
    width: 400px;
    height: 400px;
    bottom: -100px;
    right: -100px;
    background-color: rgba(76, 175, 80, 0.08); 
    animation: float2 12s infinite ease-in-out reverse;
}

@keyframes float1 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, 30px) scale(1.05); }
    100% { transform: translate(0, 0) scale(1); }
}

@keyframes float2 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, -20px) scale(1.02); }
    100% { transform: translate(0, 0) scale(1); }
}


.hero-content {
    max-width: 550px;
    text-align: left;
    flex-shrink: 0; 
    z-index: 1; 
}

.hero-content h1 {
    font-size: 3.8rem;
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.35rem;
    color: var(--text-light);
    margin-bottom: 50px;
}

.hero-image {
    max-width: 500px; 
    position: relative;
    z-index: 1; 
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 15px; 
    box-shadow: 0 10px 30px var(--shadow-medium); 
    transition: transform 0.5s ease-in-out, box-shadow 0.5s ease-in-out;
}

.hero-image img:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px var(--shadow-deep);
}

/* Animaciones para Hero Section */
.animate-fade-in-up {
    animation: fadeInUp 1s forwards;
    opacity: 0;
    transform: translateY(20px);
}

.animate-fade-in {
    animation: fadeIn 1s forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* Botones de CTA */
.call-to-action {
    display: flex;
    gap: 20px;
    flex-wrap: wrap; 
}

.cta-button {
    padding: 16px 32px;
    border-radius: 50px;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.15); 
}

.cta-button.primary {
    background-color: var(--primary-color);
    color: #fff;
}

.cta-button.primary:hover {
    background-color: var(--secondary-color);
    box-shadow: 0 8px 20px rgba(0,0,0,0.25); 
    transform: translateY(-3px);
}

.cta-button.secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.cta-button.secondary:hover {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 8px 20px rgba(0,0,0,0.25); 
    transform: translateY(-3px);
}

.cta-button i {
    font-size: 1.2rem;
}

.problem-solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    text-align: center;
}

.problem-item, .solution-item {
    padding: 30px 20px;
    border-radius: 12px;
    background: #ffffff; 
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.problem-item:hover, .solution-item:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15); 
    border-color: var(--secondary-color);
}

.problem-item i, .solution-item i {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 3rem; 
}

/* Secciones de Funcionalidades, Stack y Diferenciación */
.features-grid, .tech-stack-grid, .differentiation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    text-align: center;
}

.feature-item, .tech-item, .diff-item {
    background: #ffffff;
    padding: 40px 25px;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 8px 25px rgba(0,0,0,0.08); 
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1); 
}

.feature-item:hover, .tech-item:hover, .diff-item:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15); 
    border-color: var(--secondary-color); 
}

.feature-item h3, .tech-item h3, .diff-item h3 {
    margin-top: 20px; 
    font-size: 1.4rem;
    color: var(--primary-color);
}

.icon-medium {
    font-size: 2.5rem; 
    color: var(--secondary-color);
}

.icon-large {
    font-size: 3.5rem; 
    color: var(--accent-color);
}

/* Sección de Contacto */
.contact-form-container {
    background-color: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 6px 20px var(--shadow-medium);
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

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

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-color);
    box-sizing: border-box; 
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.2);
    outline: none;
}

.contact-form textarea {
    resize: vertical;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background-color: #e6ffe6;
    color: var(--primary-color);
    border: 1px solid var(--secondary-color);
}

.form-message.error {
    background-color: #ffe6e6;
    color: #d32f2f;
    border: 1px solid #ef5350;
}

/* Footer */
.footer {
    background-color: var(--header-deep-green); 
    color: #fff;
    text-align: center;
    padding: 30px 0;
    box-shadow: 0 -4px 10px rgba(0,0,0,0.2);
}

.footer .container {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 20px; 
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: #fff;
    font-size: 1.5rem; 
    transition: transform 0.3s ease, color 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color); 
    transform: translateY(-5px) scale(1.1); 
}

/* Responsive */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 60px; 
    }

    .hero-content {
        max-width: 100%; 
        text-align: center;
        margin-bottom: 40px; 
    }

    .hero-content h1 {
        font-size: 3rem; 
    }

    .hero-content p {
        font-size: 1.1rem; 
    }

    .hero-image {
        max-width: 80%; 
    }
}
/* Pantallas pequeñas */

@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap; 
        justify-content: center;
        padding-bottom: 10px;
    }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column; 
        align-items: center;
        gap: 15px;
        padding-top: 15px;
        border-top: 1px solid #eee;
        margin-top: 15px;
    }

    .nav-links.active {
        display: flex; 
    }

    .menu-toggle {
        display: flex; 
        position: absolute; 
        right: 20px;
        top: 30px;
    }

    .logo {
        margin-right: auto; 
    }

    h1 {
        font-size: 2.5rem; 
    }

    h2 {
        font-size: 2.2rem; 
    }

    .section {
        padding: 60px 0;
    }

    .cta-button {
        width: 100%; 
        margin-left: 0 !important; 
    }

    .call-to-action {
        flex-direction: column; 
        align-items: center;
        gap: 15px;
    }

    .feature-item, .tech-item, .diff-item, .problem-item, .solution-item {
        padding: 30px 15px;
    }

    .footer .container {
        flex-direction: column; 
        gap: 15px;
    }
    .section#descarga .call-to-action {
        justify-content: center;
        align-items: center;
        flex-direction: column;
        gap: 18px;
    }

    .section#descarga .cta-button {
        max-width: 320px;
        width: 100%;
        margin: 0 auto;
        padding: 14px 24px;
        font-size: 1.08rem;
        box-sizing: border-box;
        border-radius: 40px;
    }
}

/* Pantallas muy pequeñas */
@media (max-width: 480px) {
    h1 {
        font-size: 2rem; 
    }

    h2 {
        font-size: 1.8rem; 
    }

    .hero-image {
        max-width: 90%; 
    }

    .contact-form-container {
        padding: 30px 20px; 
    }
    .section#descarga .cta-button {
        max-width: 95vw;
        font-size: 1rem;
        padding: 12px 10px;
    }
}