/* --- General Styles & Variables --- */
:root {
    --dark-blue: #0B0B36;
    --light-blue: #00EBFA;
    --purple: #564DF8;
    --pink: #BD6EF5;
    --white: #ffffff;
    --text-dark: #0B0B36;
    --text-light: #ffffff;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--white);
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

h1, h2, h3, .cta-button {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
}

a {
    color: var(--purple);
    text-decoration: none;
}

/* --- Header & Navigation --- */
header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 10px 50px;
}

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

.logo img {
    height: 40px;
}

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

.nav-links li a {
    color: var(--text-dark);
    padding: 5px 10px;
    transition: color 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.nav-links li a:hover {
    color: var(--purple);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .line {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
    color: var(--text-light);
    overflow: hidden;
}

.hero-video-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: auto;
    height: auto;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    z-index: -2;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(11, 11, 54, 0.85);
    z-index: -1;
}

.hero-content {
    z-index: 1;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--text-light);
}

.hero p {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 30px auto;
    color: var(--text-light);
}

.cta-button {
    background: linear-gradient(90deg, var(--light-blue), var(--purple), var(--pink));
    color: var(--text-light);
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 16px;
    transition: transform 0.3s ease;
    display: inline-block;
    border: none;
}

.cta-button:hover {
    transform: scale(1.05);
}

/* --- Feature & Content Sections --- */
.features {
    padding: 80px 20px;
    text-align: center;
}

.features.alternate-bg {
    background-color: var(--dark-blue);
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

#solucion {
    background-image: url('../images/vision-bg-1.jpg');
    background-size: cover;
    background-position: center center;
    background-attachment: fixed; /* Parallax effect */
}

#solucion::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(11, 11, 54, 0.85);
    z-index: -1;
}

#solucion .feature-item {
    background-color: var(--white);
    border-color: #ddd;
}

#solucion .feature-item h3,
#solucion .feature-item p {
    color: var(--text-dark);
}

#solucion .feature-item h3 {
    color: var(--purple);
}

.features.alternate-bg h2, .features.alternate-bg h3, .features.alternate-bg p {
    color: var(--text-light);
}

.features h2 {
    font-size: 36px;
    margin-bottom: 50px;
}

.section-intro {
    max-width: 800px;
    margin: -20px auto 40px auto;
    font-size: 18px;
    color: #555;
}

.features.alternate-bg .section-intro {
    color: #ccc;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-item {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #eee;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-icon {
    font-size: 75px; /* Control size with font-size */
    margin-bottom: 20px;
    color: var(--purple);
    line-height: 1;
}

.features.alternate-bg .feature-item {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--purple);
}

.feature-item h3 {
    font-size: 24px;
    color: var(--purple);
    margin-bottom: 15px;
}

.problem-list .feature-item {
    border-color: var(--pink);
}

.plan-steps {
    display: flex;
    justify-content: center;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto 40px auto;
    flex-wrap: wrap;
}

.step {
    max-width: 400px;
}

.step h3 {
    color: var(--purple);
    font-size: 24px;
}

.features.alternate-bg .step h3 {
    color: var(--light-blue);
}

.use-cases {
    display: flex;
    justify-content: center;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.use-case {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--light-blue);
    max-width: 400px;
}

.use-case h3 {
    font-size: 24px;
    color: var(--pink);
}

.use-case ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.use-case ul li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.use-case ul li::before {
    content: '✓';
    color: var(--light-blue);
    position: absolute;
    left: 0;
}

/* --- CTA & Footer --- */
.cta-secondary {
    text-align: center;
    padding: 80px 20px;
    background-color: var(--dark-blue);
    color: var(--text-light);
}

.cta-secondary h2, .cta-secondary p {
    color: var(--text-light);
}

.cta-secondary h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.cta-secondary p {
    max-width: 600px;
    margin: 0 auto 30px auto;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #f8f9fa;
    font-size: 14px;
    color: #6c757d;
    border-top: 1px solid #dee2e6;
}

/* --- Responsive (Mobile) Styles --- */
@media (max-width: 768px) {
    header {
        padding: 10px 20px;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: var(--dark-blue);
        position: absolute;
        top: 80px;
        left: 0;
        padding: 20px 0;
    }

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

    .nav-links li {
        text-align: center;
        padding: 15px 0;
    }

    .nav-links li a {
        color: var(--text-light);
    }

    .hamburger {
        display: block;
    }

    .hero h1 {
        font-size: 1.8rem;
        color: #00EBFA;
    }

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

    .features h2 {
        font-size: 28px;
    }
}