/* ========================================
   Variables y Reset
======================================== */
:root {
    --azul-oscuro: #1F3A5A;
    --naranja: #F28C28;
    --blanco: #FFFFFF;
    --gris-claro: #F5F5F5;
    --gris-medio: #E0E0E0;
    --texto-oscuro: #333333;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--texto-oscuro);
}

/* ========================================
   Preloader
======================================== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--blanco);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.preloader-logo {
    width: 200px;
    height: auto;
    animation: fadeInScale 1s ease-in-out infinite alternate;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gris-claro);
    border-top: 4px solid var(--naranja);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes fadeInScale {
    0% {
        opacity: 0.6;
        transform: scale(0.95);
    }
    100% {
        opacity: 1;
        transform: scale(1.05);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

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

/* ========================================
   Navegación
======================================== */
nav {
    background-color: var(--blanco);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 70px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu li a {
    color: var(--azul-oscuro);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu li a:hover {
    color: var(--naranja);
}

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--azul-oscuro);
    margin: 3px 0;
    transition: 0.3s;
}

/* ========================================
   Hero Section
======================================== */
header {
    padding-top: 60px;
}

.hero {
    background: var(--blanco);
    color: var(--azul-oscuro);
    padding: 120px 20px 100px;
    text-align: left;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--azul-oscuro);
}

.hero-co {
    color: var(--naranja) !important;
    font-weight: 700;
}

.hero h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 400;
    color: var(--azul-oscuro);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: 0;
    margin-right: auto;
    line-height: 1.8;
    color: var(--texto-oscuro);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    background-color: var(--naranja);
    color: var(--blanco);
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(242, 140, 40, 0.3);
}

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

.cta-button-primary:hover {
    background-color: #d47a20;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(242, 140, 40, 0.4);
}

.cta-button-secondary {
    background-color: var(--azul-oscuro);
    box-shadow: 0 4px 15px rgba(31, 58, 90, 0.3);
}

.cta-button-secondary:hover {
    background-color: #2c5282;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(31, 58, 90, 0.4);
}

.cta-button-large {
    padding: 18px 50px;
    font-size: 1.3rem;
}

/* ========================================
   Secciones
======================================== */
section {
    padding: 80px 20px;
}

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

.section-dark {
    background-color: var(--blanco);
}

#que-hace {
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, #2c5282 100%);
    margin-top: 60px;
}

#que-hace .section-title {
    color: var(--blanco);
}

#que-hace .section-description {
    color: var(--blanco);
}

.section-cta {
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, #2c5282 100%);
    color: var(--blanco);
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--azul-oscuro);
    text-align: center;
    font-weight: 700;
}

.section-cta .section-title,
.section-dark .section-title {
    color: var(--azul-oscuro);
}

.section-cta .section-title {
    color: var(--blanco);
}

.section-description {
    font-size: 1.2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
    color: var(--texto-oscuro);
}

.cta-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--gris-claro);
}

/* ========================================
   Funcionalidades
======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--blanco);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-top: 4px solid var(--naranja);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--azul-oscuro);
    font-weight: 600;
}

.feature-card ul {
    list-style: none;
    padding: 0;
}

.feature-card ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--texto-oscuro);
}

.feature-card ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--naranja);
    font-weight: bold;
}

/* ========================================
   Beneficios
======================================== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--blanco);
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.12);
}

.check-icon {
    font-size: 2rem;
    color: var(--naranja);
}

.benefit-item span:last-child {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--azul-oscuro);
}

/* ========================================
   Para quién
======================================== */
.target-audience {
    text-align: center;
    font-size: 1.4rem;
    color: var(--azul-oscuro);
    font-weight: 500;
    line-height: 2;
}

/* ========================================
   Footer
======================================== */
footer {
    background-color: var(--azul-oscuro);
    color: var(--blanco);
    text-align: center;
    padding: 2rem;
}

/* ========================================
   Animaciones
======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s backwards;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s backwards;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease-out 0.9s backwards;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--azul-oscuro);
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
        display: none;
    }

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

    .nav-menu li {
        text-align: center;
        padding: 1rem 0;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero h2 {
        font-size: 1.3rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .target-audience {
        font-size: 1.2rem;
    }
}