:root {
    --color-primario: #0f172a;    
    --color-secundario: #475569;  
    --color-acento: #0284c7;      
    --color-acento-hover: #0369a1;
    --color-fondo-claro: #f8fafc; 
    --color-blanco: #ffffff;
    --fuente-principal: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--fuente-principal);
    color: var(--color-primario);
    line-height: 1.6;
    background-color: var(--color-blanco);
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-section {
    background-color: var(--color-primario);
    color: var(--color-blanco);
    padding: 6rem 0;
    text-align: center;
}

.hero-section .kicker {
    color: var(--color-acento);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.hero-section h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    max-width: 900px;
    margin: 0 auto 1.5rem auto;
}

.hero-section .subtitle {
    font-size: 1.25rem;
    color: #cbd5e1; 
    max-width: 750px;
    margin: 0 auto 2.5rem auto;
}

.btn-primary, .btn-submit {
    display: inline-block;
    background-color: var(--color-acento);
    color: var(--color-blanco);
    padding: 1rem 2rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.2s ease, transform 0.1s ease;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.btn-primary:hover, .btn-submit:hover {
    background-color: var(--color-acento-hover);
}

.problema-section {
    padding: 5rem 0;
    background-color: var(--color-blanco);
}

.problema-section h2 {
    font-size: 2.2rem;
    text-align: center;
    font-weight: 700;
    margin-bottom: 3rem;
}

.grid-problemas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tarjeta-problema {
    background-color: var(--color-fondo-claro);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--color-acento);
}

.tarjeta-problema h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-primario);
}

.tarjeta-problema p {
    color: var(--color-secundario);
}

.metodologia-section {
    padding: 5rem 0;
    background-color: var(--color-fondo-claro);
}

.metodologia-section h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 3.5rem;
}

.lista-metodo {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
}

.lista-metodo li {
    position: relative;
    padding-left: 3.5rem;
    margin-bottom: 2.5rem;
}

.lista-metodo li::before {
    content: counter(item) "";
    counter-increment: item;
    position: absolute;
    left: 0;
    top: 0;
    background-color: var(--color-primario);
    color: var(--color-blanco);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}
.lista-metodo { counter-reset: item; }

.lista-metodo strong {
    display: block;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.lista-metodo p {
    color: var(--color-secundario);
}

.radar-section {
    padding: 5rem 0;
    text-align: center;
    background-color: var(--color-blanco);
}

.radar-section h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.radar-section p {
    max-width: 750px;
    margin: 0 auto 2.5rem auto;
    color: var(--color-secundario);
}

.datos-radar {
    background-color: var(--color-primario);
    color: var(--color-blanco);
    display: inline-block;
    padding: 2rem 3rem;
    border-radius: 8px;
    text-align: left;
}

.datos-radar p {
    color: var(--color-blanco);
    margin-bottom: 1rem;
}
.datos-radar p:last-child { margin-bottom: 0; }

.form-section {
    padding: 5rem 0;
    background-color: var(--color-fondo-claro);
    text-align: center;
}

.form-section h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.form-section p {
    max-width: 650px;
    margin: 0 auto 3rem auto;
    color: var(--color-secundario);
}

.landing-form {
    background-color: var(--color-blanco);
    max-width: 550px;
    margin: 0 auto;
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    text-align: left;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 1rem;
    color: var(--color-primario);
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-acento);
}

.btn-submit {
    width: 100%;
    margin-top: 1rem;
}

footer {
    background-color: var(--color-primario);
    color: #94a3b8;
    padding: 3rem 0;
    text-align: center;
    font-size: 0.95rem;
}

footer strong { color: var(--color-blanco); }

@media (max-width: 768px) {
    .hero-section h1 { font-size: 2rem; }
    .hero-section { padding: 4rem 0; }
    .landing-form { padding: 2rem 1.5rem; }
    .datos-radar { padding: 1.5rem; }
}