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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1a1a1a;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #0066cc;
}

.btn-primary {
    background: #0066cc;
    color: #fff !important;
    padding: 0.6rem 1.5rem;
    border-radius: 5px;
}

.btn-primary:hover {
    background: #0052a3;
}

.hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
    color: #fff;
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.btn-cta {
    display: inline-block;
    background: #ff6b35;
    color: #fff;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: transform 0.3s, background 0.3s;
}

.btn-cta:hover {
    background: #e55a2b;
    transform: translateY(-2px);
}

.problema {
    padding: 5rem 0;
    background: #f8f9fa;
}

.problema h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.problema-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.problema-item {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.problema-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.servicios {
    padding: 5rem 0;
}

.servicios h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-intro {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: #666;
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.servicio-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid #0066cc;
}

.servicio-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.servicio-card ul {
    list-style: none;
}

.servicio-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.servicio-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #0066cc;
    font-weight: bold;
}

.proceso {
    padding: 5rem 0;
    background: #1a1a1a;
    color: #fff;
}

.proceso h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.proceso-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #ff6b35;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.sobre-mi {
    padding: 5rem 0;
    background: #f8f9fa;
}

.sobre-mi h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.sobre-text {
    max-width: 800px;
    margin: 0 auto;
}

.sobre-text p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.sobre-text ul {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.sobre-text li {
    margin-bottom: 0.5rem;
}

.diferenciadores {
    padding: 5rem 0;
}

.diferenciadores h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.diferenciadores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.dif-item {
    text-align: center;
    padding: 2rem;
}

.dif-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #0066cc;
}

.contacto {
    padding: 5rem 0;
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    color: #fff;
}

.contacto h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contacto-intro {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

.contacto-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 1rem 2rem;
    background: #ff6b35;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: #e55a2b;
}

footer {
    background: #1a1a1a;
    color: #fff;
    text-align: center;
    padding: 2rem 0;
}

@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .problema h2,
    .servicios h2,
    .proceso h2,
    .sobre-mi h2,
    .diferenciadores h2,
    .contacto h2 {
        font-size: 2rem;
    }
}