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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f5f5f7;
}

/* Barra de navegación */
.navbar {
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0 20px;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 48px;
}

/* Logo */
.logo {
    color: #f5f5f7;
    font-size: 22px;
    font-weight: 600;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.7;
}

/* Navegación central */
.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    color: #f5f5f7;
    text-decoration: none;
    font-size: 14px;
    transition: opacity 0.3s ease;
}

.nav-links a:hover {
    opacity: 0.7;
}

/* Redes sociales */
.social-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.social-links a {
    color: #f5f5f7;
    text-decoration: none;
    font-size: 18px;
    transition: opacity 0.3s ease;
}

.social-links a:hover {
    opacity: 0.7;
}

/* Menú hamburguesa para móvil */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background-color: #f5f5f7;
    transition: all 0.3s ease;
}

/* Menú móvil */
.mobile-menu {
    display: none;
    position: fixed;
    top: 48px;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: saturate(180%) blur(20px);
    padding: 20px;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.mobile-menu.active {
    transform: translateY(0);
}

.mobile-menu a {
    display: block;
    color: #f5f5f7;
    text-decoration: none;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 16px;
}

.mobile-menu a:hover {
    opacity: 0.7;
}

.mobile-social {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-social a {
    border: none;
    padding: 0;
    font-size: 22px;
}

/* Responsive - Tablet */
@media (max-width: 768px) {
    .nav-links,
    .social-links {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }
}

/* Responsive - Móvil pequeño */
@media (max-width: 480px) {
    .navbar {
        padding: 0 15px;
    }

    .logo {
        font-size: 18px;
    }

    .nav-container {
        height: 44px;
    }

    .mobile-menu {
        top: 44px;
    }
}

/* Contenido de ejemplo */
.content {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #1d1d1f;
}

.content p {
    font-size: 18px;
    color: #6e6e73;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .content h1 {
        font-size: 32px;
    }

    .content p {
        font-size: 16px;
    }
}